Cybersecurity
AI Agent Uncovers 21 Zero-Days in FFmpeg; Chrome Patches Record 429 Bugs
Two things landed within days of each other this week. A security startup reported 21 previously unknown vulnerabilities in FFmpeg, the media library inside almost everything that…
Miasma Worm Hits 73 Microsoft GitHub Repositories in Major Supply Chain Attack
Microsoft's GitHub repositories have become the latest to fall victim to the ongoing Miasma self-replicating supply chain attack campaign. The incident impacted 73 Microsoft repos…
Cisco Catalyst SD-WAN Manager CVE-2026-20245 Flaw Actively Exploited – No Patch Available
Cisco has warned that a high-severity security flaw impacting Catalyst SD-WAN Manager has come under active exploitation. The vulnerability, tracked as CVE-2026-20245, carries a C…
IronWorm and New Miasma Worm Variant Hit npm in Supply Chain Attacks
Multiple software supply chain attacks have hit the npm ecosystem, with threat actors using both malicious and poisoned versions of over 50 legitimate packages to distribute a Rus…
Android Spyware Asin Targets Arabic Users via Fake News, PDF and War Map Apps
Arabic-speaking users have emerged as the target of a new Android spyware codenamed Asin, according to findings from ESET. The Slovakian cybersecurity company said it first detect…
New Threat Cluster OP-512 Targets Microsoft IIS Servers with Custom Web Shell Framework
Cybersecurity researchers have discovered a previously unreported threat cluster dubbed OP-512 that has been observed targeting Microsoft Internet Information Services (IIS) serve…
Only 10% of SOCs Say They’re Getting Excellent Value From AI. Here’s What the Second Wave Has to Deliver
Eighteen months ago, the AI SOC was a marketing line. Today it's a budget item. The category has crossed over from interesting to inevitable, with billions of dollars now flowing …
Hackers Exploit Critical Everest Forms Pro WordPress Plugin Flaw to Take Over Sites
Threat actors are actively exploiting a critical security flaw in Everest Forms Pro, a WordPress plugin with about 4,000 active installations, to execute arbitrary code, leading t…
FIFA World Cup 2026 Scams Are Already Live: Fake Sites, Banking Malware, and Stolen Logins
Security researchers and the FBI are warning that a wave of FIFA-themed fraud is already hitting World Cup 2026 fans, days before the June 11 kickoff. Recent reports describe thou…
PCPJack Hijacks 230 AWS, Google Cloud, and Azure Servers for Covert SMTP Relay Network
The threat actor known as PCPJack has hijacked cloud servers associated with Amazon Web Services (AWS), Google Cloud, and Microsoft Azure to create a covert SMTP email relay netwo…
Cisco Patches CVE-2026-20230 in Unified CM as Exploit Code Goes Public
Cisco has patched a bug in Unified Communications Manager that lets an unauthenticated attacker on the network write files to the box and, from there, climb to root. It is tracked…
Claude Code GitHub Action Flaw Let One Malicious Issue Hijack Repositories
A security researcher found a flaw in Anthropic's Claude Code GitHub Action that let an attacker take over vulnerable public repositories running it, with nothing more than a sing…
Agentic AI Is Transforming Defense, But Only Secure IT Infrastructure Will Maximize It
Over the past several weeks, the cybersecurity community has been reminded how quickly frontier and agentic AI in defense networks can challenge our assumptions. When Anthropic's …
ThreatsDay Bulletin: AI Agents Gone Wrong, Sketchy C2 Tools, ClickFix Tricks, JS Backdoors & 20+ New Stories
It got stupid again. The internet still feels held together with tape. Bad plugins, old bugs, fake tools, trusted apps doing shady things. Same mess, new wrapper. And now the weir…
China-Linked TA4922 Expands Phishing Attacks to UK, Germany, Italy, and South Africa
A new China-linked cybercrime group known as TA4922 has expanded its targeting focus to target European organizations in the U.K., Germany, Italy, and South Africa. These efforts …
FlutterShell Backdoor Spreads to macOS via Malicious Google and YouTube Ads
Cybersecurity researchers have shed light on a macOS malvertising campaign codenamed Operation FlutterBridge that spreads a new backdoor called FlutterShell. According to Palo Alt…
Fake Sites Mimicking Open-Source Tools Rank High on Google to Deliver Malware via TDS
Cybersecurity researchers have flagged a large-scale operation that impersonates open-source and freeware projects to funnel unsuspecting users through a Traffic Distribution Syst…
Hackers Spied on a Stock Exchange Executive's Outlook Mailbox for Five Months
Unknown attackers spent at least five months inside the Outlook mailbox of a senior executive at a major global stock exchange, copying the inbox out in small, repeated batches an…
CISA Adds Exploited Magento RCE Flaw CVE-2026-45247 to KEV Catalog
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a critical flaw impacting Mirasvit Cache Warmer, a popular Magento full-page cache extension, t…
DoJ Disrupts Southeast Asia Crypto Fraud Networks, Freezes $3.8 Million in Assets
The U.S. Department of Justice (DoJ) on Wednesday announced the results of a sweeping action undertaken by government authorities and private sector companies to combat cyber-enab…
WhatsApp, Slack Notifications Could Hijack Google Gemini on Android
A single poisoned notification from WhatsApp, Slack, SMS, Signal, Instagram, or Messenger could have hijacked Google Gemini's voice assistant on Android and made it open a victim'…
Google DoubleClick Abused in New Malspam Campaign to Deliver DesckVB RAT
Cybersecurity researchers have flagged a new malspam campaign that makes use of Google's DoubleClick domain as a way to evade detection and ultimately deliver a remote access troj…
Microsoft 365 Android Apps Let Any App Steal Account Tokens via Leftover Debug Flag
A development flag left switched on in production builds of several Microsoft 365 Android apps disabled the check that limits account-token sharing to trusted Microsoft apps. Any …
Autonomous AI Tool Finds 2-Year-Old RCE Flaw in Redis (CVE-2026-23479)
Redis has patched a use-after-free in its blocking-client code that lets an authenticated user run arbitrary OS commands on the machine hosting the database. The flaw was found by…