Cybersecurity Center
Cybersecurity News
- Attackers Exploit SharePoint Authentication Bypass After Public PoC Release (Thursday August 13, 2026)
Threat actors have begun to exploit a newly disclosed Microsoft SharePoint vulnerability following the release of a proof-of-concept (PoC) code. The vulnerability in question is CVE-2026-55040 (CVSS score: 9.1), which refers to a critical security feature bypass that stems from weak authentication. It was patched by Microsoft as part of its July 2026 Patch Tuesday updates. "The authentication (HackerNews) - Lazarus Exploits Windows Zero-Day to Gain SYSTEM Access and Deploy Backdoor (Wednesday August 12, 2026)
The North Korean threat actor known as Lazarus Group has been attributed to the zero-day exploitation of a newly patched security flaw impacting Microsoft Windows to deliver a never-before-seen backdoor targeting defense and aerospace companies across France, Germany, Brazil, and India. The activity, per Check Point Research, is part of Operation Dream Job, a long-running cyber espionage and (HackerNews) - 737 Chrome VPN Extensions Caught Routing Traffic Through Proxies. Check If You Have One (Wednesday August 12, 2026)
A massive set of 737 free VPN and proxy extensions have been found to mainly target Russian-speaking users seeking access to blocked services with an aim to intercept browser traffic and route them through a proxy infrastructure. The extensions, published across at least 40 Chrome Web Store developer accounts, racked up 75,486 installs. Of those identified, 274 have been found to impersonate 66 (HackerNews) - OpenAI, Anthropic, Google API Flaw Let Weaker AI Models Decode Stronger Models' Reasoning (Wednesday August 12, 2026)
A newly disclosed flaw in the way OpenAI, Anthropic, and Google carried hidden AI reasoning between API calls let researchers recover internal reasoning and secrets from session logs, including API keys and passwords. The weakness affected encrypted reasoning objects used by the providers' reasoning APIs, where a block created in one session could be replayed into another and, during testing, (HackerNews) - Enterprise Defenses Recovered at the Edge and Collapsed Inside (Wednesday August 12, 2026)
Enterprise defenses are tuned to catch the attacks that make noise. This year's data shows attackers winning by making none. According to Picus Labs' new Blue Report 2026, which measured more than 338 million real attack simulations across actual client production environments in the first half of 2026, defenses are having one of their strongest years yet. Average prevention effectiveness (HackerNews) - Adobe Patches Three CVSS 10.0 ColdFusion and Campaign Classic Flaws (Wednesday August 12, 2026)
Adobe has shipped updates to address multiple critical security vulnerabilities impacting ColdFusion, Commerce, and Campaign Classic that, if successfully exploited, could result in arbitrary code execution and privilege escalation. The most severe of the flaws are listed below - CVE-2026-48362 (CVSS score: 10.0) - An operating system command injection vulnerability in ColdFusion that could (HackerNews) - Attackers Exploit VMware vCenter Vulnerability to Gain Persistent Remote Access (Wednesday August 12, 2026)
Threat actors have begun to actively exploit a recently patched critical security flaw in Broadcom VMware vCenter, according to new findings from QUIRSO. The vulnerability in question is CVE-2026-59310 (CVSS score: 9.8), a directory-traversal vulnerability in the VMware vCenter server that a malicious actor with network access can exploit to execute arbitrary code. Patches for the flaw were (HackerNews) - Malicious LiteLLM Releases Tied to Trivy Hack May Have Exposed 2,100+ Organizations (Wednesday August 12, 2026)
Two malicious LiteLLM releases sat on PyPI for about 40 minutes in March carrying credential-stealing code capable of harvesting cloud keys, SSH keys, Kubernetes tokens, database passwords, and other secrets from systems that installed them. Threat intelligence firm CloudSEK now says a dataset it obtained, built from roughly 434,000 files the attackers captured, maps potential exposure to more (HackerNews) - SAP Commerce Cloud Flaw Could Let Unauthenticated Attackers Execute Arbitrary Code (Wednesday August 12, 2026)
SAP has released patches to address a maximum-severity security flaw impacting Commerce Cloud (Data Hub Adapter) that could result in arbitrary code execution. The vulnerability, assigned the CVE identifier CVE-2026-58231, is rated 10.0 on the CVSS scoring system. It has been described as a case of insufficient authorization checks and input validation. "SAP Commerce Cloud allows an (HackerNews) - ShieldBreak Zero-Day PoC Claims Microsoft Defender Patch Bypass With SYSTEM Access (Wednesday August 12, 2026)
The security researcher going by the name Chaotic Eclipse (aka INFINITE NIGHTMARE, MSNightmare, and Nightmare-Eclipse) has released a proof-of-concept (PoC) for a new Microsoft zero-day called ShieldBreak. The vulnerability, rooted in Microsoft Defender for Windows, demonstrates a patch bypass for CVE-2026-50656 (CVSS score: 7.8), otherwise known as RoguePlanet. RoguePlanet has been described (HackerNews) - Cisco ASA and FTD Flaw Exploited in the Wild Can Trigger Remote DoS (Wednesday August 12, 2026)
Cisco has warned that a new vulnerability impacting Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software has been exploited in the wild. The high-severity flaw, tracked as CVE-2026-20349 (CVSS score: 8.6), is a case of insufficient error checking when processing HTTP requests that could allow an unauthenticated, remote attacker to trigger (HackerNews) - Microsoft Plugs Nearly 400 Security Holes (Tuesday August 11, 2026)
Microsoft today released updates to remedy at least 398 security vulnerabilities in its Windows operating systems and supported software, including one weakness that is already being actively exploited and two others that were publicly detailed prior to today. (KrebsOnSecurity) - Microsoft Patches 398 Flaws Including a Windows Driver Zero-Day Under Active Attack (Tuesday August 11, 2026)
Microsoft released its monthly security updates on Tuesday, and one of the flaws it closed is already being used in attacks. The bug sits in a core Windows kernel driver that handles network socket operations. An attacker with code already running on a machine can use it to escalate to SYSTEM. That patch goes out first. The flaw is tracked as CVE-2026-68820 (CVSS score: 7.0) and is the only (HackerNews) - Kimwolf v7 Android Botnet Makes HTTP/2 DDoS Traffic Look Like Legitimate Browsing (Tuesday August 11, 2026)
Cybersecurity researchers have discovered a new version of the Kimwolf/AISURU Android and Internet of Things (IoT) botnet that comes with significant improvements to improve its operational resilience and conduct distributed denial-of-service (DDoS) attacks. The new version, tracked as Kimwolf v7, was discovered by Palo Alto Networks Unit 42 in February 2026. "Kimwolf v7 adds an HTTP/2-based (HackerNews) - Zoom Annotation Flaws Could Let a Meeting Participant Hijack Another Attendee's Client (Tuesday August 11, 2026)
Anyone sharing their screen on a Zoom call could have taken over the computers of everyone watching, and anyone watching could have taken over the presenter's. The flaw sat in the annotation tool, the feature that lets participants draw and type on a shared screen, and it asked nothing of the victim beyond being in the meeting. No click, no download, no prompt, and nothing on screen to show it (HackerNews) - Sandworm-Linked UAC-0145 Uses Fake Job Interviews to Push VPN That Can Run Commands (Tuesday August 11, 2026)
The Computer Emergency Response Team of Ukraine (CERT-UA) has disclosed details of a new social engineering campaign orchestrated by Russian nation-state threat actors targeting IT workers in the country by masquerading as recruiters to trick them into installing malware. CERT-UA pinned the activity on a threat cluster it tracks as UAC-0145, which is a subgroup within Sandworm (aka APT44, (HackerNews) - Researchers Disclose AI-Assisted SharePoint Exploit Chain Reaching Unauthenticated RCE (Tuesday August 11, 2026)
Security researchers found a way to enter Microsoft SharePoint servers as any user, including an administrator, with no valid account. A significant part of the work that found it was done through an AI agent. The flaw, tracked as CVE-2026-55040 (CVSS 9.1), affects SharePoint Server Subscription Edition, SharePoint Server 2019, and SharePoint Server 2016. Microsoft's (HackerNews) - DeadLock Ransomware Uses Polygon Smart Contracts to Make Extortion Infra Harder to Disrupt (Tuesday August 11, 2026)
The ransomware group known as DeadLock has been observed using decentralized infrastructure to facilitate victim communications and data leak operations in a bid to improve operational resilience. "Its recovery ecosystem combines the Session messaging network with blockchain-backed services that store and deliver resources used throughout the extortion process," the Microsoft Threat (HackerNews) - OpenAI Launches GPT-5.6-Cyber with Reduced Safeguards for Exploit Development (Tuesday August 11, 2026)
OpenAI on Monday unveiled a new cybersecurity-focused model called GPT‑5.6‑Cyber that it said is focused on vulnerability research, penetration testing, and incident response. "Built on GPT‑5.6 Sol, it is trained to improve capabilities on several specialized cybersecurity tasks (e.g., finding zero-day vulnerabilities and developing exploit chains) and to reduce refusals for certain higher-risk (HackerNews) - A Malicious SIM Card Can Run Attacker Code Inside the Modems Behind Cellular IoT Devices (Tuesday August 11, 2026)
A malicious SIM card can order the device it sits in to run commands of the attacker's choosing. On the cellular modules built into electric-vehicle chargers, industrial routers, and car telematics units, that is enough to take the whole device over. Researchers at the University of Birmingham and the security firm Fuzzware tested 26 phones and cellular modules for the capability, found it (HackerNews) - Mozilla Revokes Firefox and Thunderbird Linux Signing Key After Key Lands in Private Repo (Tuesday August 11, 2026)
Mozilla has scrapped the cryptographic key behind Firefox and Thunderbird downloads for Linux after an unencrypted copy of it was committed by mistake to one of the company's own private code repositories. That key is how a user, or a Linux distribution packaging the browser, confirms a downloaded Firefox tarball came from Mozilla and was not tampered with. That decision carries a cost for (HackerNews) - Researchers Built a Fake Crypto Startup and Hired Three Suspected North Korean IT Workers (Tuesday August 11, 2026)
Security researchers invented a cryptocurrency startup, advertised developer jobs, and hired three people they believe were North Korean operatives. Every virtual machine the company issued was recording. The onboarding paperwork is the part hiring teams can use. The first hire claimed to live in Pasadena, Texas, then sent a California driver's license and a New York bank account. The (HackerNews) - Researchers Turn USB Auto-Install Into a Full SYSTEM Takeover on Windows 11 (Tuesday August 11, 2026)
Windows Plug and Play can be abused to fetch signed vendor software for an emulated USB device and execute privileged installation components that researchers chained to SYSTEM access on a fully updated Windows 11 machine. The same PnP path can be triggered over Remote Desktop without physical hardware when supported Plug and Play or low-level USB redirection is enabled; Microsoft says that (HackerNews) - Malicious MCP Servers Can Split Instructions to Make AI Coding Agents Exfiltrate Secrets (Tuesday August 11, 2026)
A malicious tool server connected to an AI coding assistant can quietly walk off with SSH keys, environment secrets, source code, and customer data without ever sending one obviously harmful instruction. The trick can work even after a blunt version of the same theft is refused: split the request into fragments that each look routine, place them in channels the assistant already uses, and let (HackerNews) - Gunra Ransomware Exploits Fortinet FortiOS, FortiProxy Flaws to Breach Networks (Tuesday August 11, 2026)
Cybersecurity and intelligence agencies from South Korea and the U.S. warned of Gunra ransomware attacks targeting critical infrastructure sectors and organizations across the world. Targets of these attacks include healthcare and public health, financial services, government services and facilities, and professional and nonprofit services. "Gunra is another variant in the ongoing trend of (HackerNews) - Hackers Breach Polish Power Plant Controls via Private Cellular Network and Shut Turbine (Tuesday August 11, 2026)
Attackers shut down a steam turbine and the process-water treatment system at a Polish combined heat and power plant by coming in over the private cellular network the local grid operator uses to reach remote equipment. The plant supplies heat to roughly 50,000 residents. Recovery began at about 7:30 a.m. while the intruders were still active inside the network, and customers lost neither heat (HackerNews) - BdThemes Supply Chain Attack Poisons JSON to Create Rogue WordPress Admins (Tuesday August 11, 2026)
Cybersecurity researchers have warned of a supply chain compromise impacting WordPress plugin vendor BdThemes, prompting the content management systems (CMS) platform's plugins team to temporarily disable their downloads. "Unlike traditional software supply chain attacks, zero source code files were modified within the official WordPress.org repository," Wordfence researcher Paolo Tresso said. (HackerNews) - Shipping 10–50× More Code? Watch This Webinar on Securing AI-Speed Development (Monday August 10, 2026)
AI is helping development teams produce far more code, far faster. But security teams still have to review vulnerabilities, manage dependencies, prioritize fixes, and control risk at human speed. When software output jumps 10 to 50 times, the problem is no longer just finding vulnerabilities. It is keeping security from becoming the bottleneck, or worse, losing control of what gets shipped. (HackerNews) - China-Linked Hackers Deploy New StormEncryptor Ransomware, Likely via N-central Flaw (Monday August 10, 2026)
Microsoft has disclosed that Storm-1175, a financially motivated threat actor linked to China, has deployed a previously undocumented ransomware strain called StormEncryptor. The use of StormEncryptor marks a shift from the adversary's previous use of Medusa ransomware, the Microsoft Threat Intelligence Team said. "StormEncryptor is written in C++ and appends the file name extension .encrypted (HackerNews) - ⚡ Weekly Recap: AI Goes Rogue, Metabase 0-Day, MCP Supply-Chain Attacks, and Router Backdoors (Monday August 10, 2026)
A lot of security problems still begin with someone doing a completely normal thing. Cloning a repo. Answering a call. Leaving a box exposed. Trusting the default. That pretty much covers the mood this week. Old bugs are back, supply chains are getting stranger, and some exploit paths are so short you wonder what was supposed to stop them in the first place. That’s only part of it. Here’s (HackerNews) - Kimsuky Builds Offline AI Stack to Boost Phishing and Automate Malware Development (Monday August 10, 2026)
North Korea's state hackers are no longer content to type prompts into public chatbots. One of the country's main espionage groups has begun running artificial intelligence (AI) offline on its own servers, connecting document-search tools to files in its possession, and collecting the software parts needed to build AI into its malware. South Korean security firm Genians says it uncovered the (HackerNews) - New Passkey Attacks Can Recover Synced Private Keys or Bypass Phishing-Resistant MFA (Monday August 10, 2026)
Three separate research efforts last week demonstrated ways to defeat passkey protections without breaking the cryptography they rest on. Passkeys are designed to replace reusable passwords and resist phishing. The attacks instead reused signed authentication material that Windows had exposed, abused a cloud-synced passkey system from malware already on the victim's machine, and used a (HackerNews) - TrueConf Server Flaws Exploited to Replace Client Installers with PhantomCore (Monday August 10, 2026)
The threat actor known as Head Mare has been observed weaponizing security flaws in unpatched TrueConf servers once again in attacks targeting Russian companies spanning instrumentation, electronics, transport, energy, IT, and software development sectors. Russian cybersecurity vendor Kaspersky said it detected the attacks in July 2026. The activity involves exploiting a vulnerability chain (HackerNews) - Solidity Pro VS Code Extensions Steal Crypto Wallets, API Keys, and Credentials (Monday August 10, 2026)
Cybersecurity researchers have flagged a malicious Microsoft Visual Studio Code (VS Code) extension named Solidity Pro ("solidity-pro") that has been observed delivering a browser wallet and credential stealer. The names of the extensions are below - helper-beeps.solidity-pro web3devtoolsx.solidity-pro Although neither of the extensions is now available on Open VSX, the GitHub repository (HackerNews) - OpenAI's Next AI Model Astra Shows Cyber Performance Strong Enough to Trigger Pause (Monday August 10, 2026)
OpenAI has announced that it's pausing some "internal activities" involving its upcoming artificial intelligence (AI) model Astra after an internal evaluation found it had made significant advancements in agentic coding and cybersecurity. In response to the discovery, the AI upstart said it's implementing security controls for higher-capability models and associated activities, such as isolated (HackerNews) - Atlassian Rovo Can Be Tricked Into Sending Jira and Confluence Data to Attackers (Saturday August 08, 2026)
Attacker-controlled instructions can make Atlassian's Rovo assistant collect Jira or Confluence data that a signed-in user can access, then send it to an outside server. Two security firms found that behavior independently, by different routes. Only one of those routes is confirmed closed. PromptArmor, an AI security firm, hid the instructions in content Rovo reads. It said an uploaded file was (HackerNews) - New CSS Attacks Can Break Webmail Defenses to Steal Passwords and Tokens (Saturday August 08, 2026)
New research shows content inside an email can escape its message boundary and interfere with the webmail interface. Across attack chains spanning Outlook, Gmail, Fastmail, Proton Mail, Yahoo Mail, and AOL Mail, the techniques can capture passwords, take over third-party accounts, leak tokens, hijack trusted UI actions, and manipulate AI tools that read email. PortSwigger researcher Gareth (HackerNews) - Metabase Zero-Day Exploited in Wild Allows Admin Access Without Authentication (Saturday August 08, 2026)
Metabase has warned that a maximum-severity security flaw impacting its business intelligence and data visualization software package has been exploited in the wild as a zero-day. The vulnerability (CVSS score: 10.0), which does not carry a CVE identifier, allows an unauthenticated remote attacker to inject arbitrary SQL into the Metabase application database, enabling them to gain (HackerNews) - N-able Issues N-central Hotfix 2 as Attackers Reach Managed Systems and Persist (Saturday August 08, 2026)
N-able has released a fresh round of hotfixes for N‑central as part of its investigation into ongoing exploitation of a recently disclosed security flaw in the Remote Monitoring and Management (RMM) product. "We are proactively expanding protections in response to ongoing monitoring of threat actors as they evolve their attack techniques," the company said. "This is not a duplicate of our (HackerNews) - Progress Kemp LoadMaster Flaw Hits CISA KEV After 792 Reported Exploit Attempts (Saturday August 08, 2026)
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added a critical-severity security flaw impacting Progress Kemp LoadMaster to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation in the wild. The vulnerability, tracked as CVE-2026-8037 (CVSS score: 9.6), is a command injection flaw that could be weaponized to achieve arbitrary (HackerNews) - Nearly 800 Malicious npm Packages Deliver Cross-Platform RAT and Infostealer (Friday August 07, 2026)
A cluster of nearly 800 malicious packages has been published to the npm registry as part of a new campaign designed to deliver cross-platform malware targeting Windows, Mac, and Linux systems. "These packages appear to use AI slop squatted, or randomly generated typo-squatting package names, but all of them deliver a powerful RAT and infostealer payload," OpenSourceMalware researcher Paul (HackerNews) - ClickFix Attacks Deliver macOS Stealer That Can Drain Crypto Wallets (Friday August 07, 2026)
ClickFix-style attacks are being used to deliver a Go-based malware capable of stealing cryptocurrency assets, as well as browser-stored passwords, Apple iCloud Keychain data, and cached credentials. The macOS-focused infection chain is designed to deliver a shell script that profiles the host and then fetches a macOS malware payload that's compatible with the computer's CPU architecture. " (HackerNews) - UNC6671 Vishing Attacks Target Personal Phones to Steal SaaS Data (Friday August 07, 2026)
A recent wave of cyber attacks targeting financial services, private equity, and professional services has been attributed to a data extortion group known as UNC6671. "UNC6671 continues to rely on voice phishing (vishing) to target enterprise employees, posing as IT help desk staff facilitating mandatory, urgent security migrations. Significantly, the threat actor often contacts employees via (HackerNews) - New WordPress Pre-Auth XSS Could Lead to PHP Code Execution - Patch ASAP (Friday August 07, 2026)
WordPress has fixed a pre-authentication reflected cross-site scripting (XSS) flaw in its login screen that affects every version of the content management system. pwn.ai demonstrated how the flaw can be chained into PHP code execution on the server when a logged-in administrator interacts with an attacker-controlled page. Tracked as CVE-2026-64638 (CVSS score: 8.9), the high-severity (HackerNews) - Growing Up The Hard Way (Friday August 07, 2026)
Open Source had a great childhood. For two decades it got to be a kid. It ran around barefoot, gave everything away, trusted strangers, and never once thought about who was watching. It ran the kind of lemonade stand that took IOUs from anyone who wandered up — take what you need, pay me back whenever, no need to leave a name. It was idyllic. It was also, in retrospect, a little feral. Then, (HackerNews) - 18-Year-Old Linux SCTP Flaw Could Let Local Users Gain Root and Escape Containers (Friday August 07, 2026)
A use-after-free bug in Linux's SCTP networking code can be turned into full root on a host, and Tencent researchers say they used it to escape a container and reach the machine underneath. The flaw has existed since 2008. The fix already shipped: stable kernels 7.1.6, 6.18.42, 6.12.101 and 6.6.148, released August 3, close it. Anyone running an older kernel with SCTP reachable should update. (HackerNews) - New NatJack Attacks Hijack TCP Sessions and Spoof DNS by Manipulating NAT Tables (Friday August 07, 2026)
Security researcher Malcolm Stagg has disclosed a new attack class called NatJack that manipulates network address translation (NAT) connection state to hijack active TCP sessions, spoof DNS responses, expose mapped ports, and exhaust NAT tables. Presented at Black Hat USA 2026, the research found affected behavior across independently developed implementations, including Windows and (HackerNews) - Microsoft 365 AitM Phishing Hijacks Accounts to Collect Payroll and Finance Emails (Friday August 07, 2026)
Cybersecurity researchers have called attention to an active "widespread email-driven phishing campaign" that employs adversary-in-the-middle (AitM) techniques to take control of Microsoft 365 accounts with an aim to identify key personnel involved in financial workflows and gather related email. "The campaign uses residential proxies to disguise malicious sign-ins as ordinary consumer traffic, (HackerNews) - AI-Assisted HTTP Terminator Finds Novel HTTP Desync Techniques and Apache Zero-Day (Friday August 07, 2026)
PortSwigger says HTTP Terminator, an artificial intelligence (AI)-assisted research system built by James Kettle, generated and proved new HTTP desynchronization techniques after exploring 30,000 candidate desync vectors. PortSwigger said a separate human-guided discovery cascade also exposed a zero-day in Apache Traffic Server. Kettle said HTTP Terminator tested 30,000 websites where (HackerNews) - Malware Can Abuse Windows Hello for Business Keys for Persistent Entra ID Access (Friday August 07, 2026)
Entra ID researcher Dirk-jan Mollema demonstrated that malware already running in a signed-in Windows session can silently use the victim's Windows Hello for Business key to authenticate to Microsoft Entra ID. The attacker can then establish longer-term cloud access, register a device it controls, obtain a Primary Refresh Token (PRT), and add further authentication methods where tenant policies (HackerNews) - Claude Code and Gemini CLI Flaws Let a GitHub Issue Reach CI Workflow Secrets (Friday August 07, 2026)
A GitHub issue opened by an account with no repository privileges was enough to execute code on the CI runners behind Anthropic's and Google's own coding-agent repositories. On OpenAI's, it was enough to hijack the next agent run. Novee Security ran the attack against each vendor's agent in the configuration that the vendor ships by default, and presented the work at Black Hat USA on August 5. (HackerNews) - Canadian Man Pleads Guilty in Snowflake Extortions (Thursday August 06, 2026)
A 26-year-old Canadian man once described as one of the most consequential cybercrime threat actors of 2024 has pleaded guilty to computer fraud and conspiracy to hack and extort more than 165 organizations that used the cloud data storage provider Snowflake. Connor Riley Moucka, of Kitchener, Ontario, also admitted to stealing call and text history records of more than 100 million AT&T customers. (KrebsOnSecurity) - Read This Before You Buy That TV Streaming Stick (Thursday July 30, 2026)
Security experts have been sounding the alarm for years about the risks of using generic TV boxes that promise unlimited content streaming for a one-time fee, warning that they secretly rent the user's Internet connection out to strangers. But a groundbreaking new analysis finds these devices also routinely spoof themselves as mobile phones clicking ads on AI-generated websites as part of sprawling operation that seeks to defraud online merchants and advertising networks. (KrebsOnSecurity) - LG to Ban Residential Proxies from Smart TV Apps (Wednesday July 22, 2026)
The home appliance giant LG Electronics USA said this week it plans to suspend any apps built for its smart TVs that turn one's television into an always-on residential proxy node. The move comes less than a month after researchers found that more than 42 percent of games and other apps available for download on LG's webOS store allow unknown third-parties to route their Internet traffic through a user's TV. (KrebsOnSecurity) - Microsoft Patches a Record 570 Security Flaws (Tuesday July 14, 2026)
Microsoft Corp. today released software updates to plug at least 570 security holes in its Windows operating systems and other software, almost triple the number of vulnerabilities the software giant fixed in its record-smashing Patch Tuesday release last month. Microsoft attributed the burgeoning patch counts to vulnerability discoveries aided by artificial intelligence. (KrebsOnSecurity) - Lessons Learned from CISA’s Recent GitHub Leak (Monday July 13, 2026)
The Cybersecurity and Infrastructure Security Agency (CISA) has issued a postmortem on a data leak in which a contractor published dozens of internal CISA credentials -- including AWS Govcloud keys -- in a public GitHub repository for almost six months before being notified by KrebsOnSecurity. Experts say the gaps identified in the agency's initial response provide important lessons that all security teams should absorb. (KrebsOnSecurity) - Felons, Fraudsters Flog Offensive Cybersecurity Startup (Wednesday July 08, 2026)
A cybersecurity startup dangling millions of dollars to acquire zero-day security vulnerabilities in popular software is run by a pair of far-right conspiracy theorists and convicted felons whose most recent ventures included fake intelligence companies and a now-defunct AI-based lobbying platform they operated under assumed names. (KrebsOnSecurity) - FBI Seizes NetNut Proxy Platform, Popa Botnet (Thursday July 02, 2026)
The Federal Bureau of Investigation (FBI) said today it worked with industry partners to seize hundreds of domains associated with NetNut, a sprawling residential proxy service operated by the publicly-traded Israeli company Alarum Technologies [NASDAQ: ALAR]. The action comes roughly two weeks after KrebsOnSecurity published findings from multiple security firms connecting NetNut to the Popa botnet, a collection of at least two million devices that have been compromised by malicious software with little or no consent from victims. (KrebsOnSecurity) - Scattered Spider Hackers Plead Guilty on Day 1 of Trial (Tuesday June 23, 2026)
Two men pleaded guilty in the United Kingdom this week to criminal charges stemming from an August 2024 cyberattack that crippled Transport for London, the entity responsible for the public transport network in the Greater London area. The duo were key members of a prolific cybercrime group known as Scattered Spider, and their guilty pleas came on the first day of what was expected to be a six-week trial. (KrebsOnSecurity) - ‘Popa’ Botnet Linked to Publicly-Traded Israeli Firm (Thursday June 18, 2026)
For the past four years, a sprawling Android-based botnet called Popa has forced millions of consumer TV boxes to relay Internet traffic linked to advertising fraud, account takeovers, and mass data-scraping efforts. This week, researchers from multiple security firms concluded that the Popa botnet is linked to NetNut, a "residential proxy" provider operated by the publicly-traded Israeli firm Alarum Technologies Ltd [NASDAQ: ALAR]. (KrebsOnSecurity)
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