Cyber Security
Self-Healing WordPress Backdoor Defies Standard Removal
Cisco Patches Actively Exploited Catalyst SD-WAN Flaw
MetaMask Discloses Incident, Exits Ethereum Validators
TeamViewer Patches Critical Access-Control Bypass Flaw
WatchGuard Patches Critical Root Code Execution Flaw
CISA Warns of Critical Pre-Auth Flaw in MikroTik Routers
FTC Confirms Probe Into OpenAI, Anthropic AI Agents
Teen Researcher’s AI Tool Gains Admin on Microsoft Titan
OpenSSL Patches High-Severity DTLS Memory Leak Flaw
CSuite Phishing Campaign Hijacks Microsoft 365 Sessions
Chrome, Firefox Patch Over 100 Flaws in Joint Update
Pentagon Records Agency Breach Exposes Data on 3 Million
France Tax Agency Breached Seven Weeks via Stolen Passwords
Citrix NetScaler Zero-Days Deployed WHIPSHOT, SLAPSHOT
FBI Tells ShinyHunters Members to Turn Themselves In
Russia’s Star Blizzard Targets 100+ Orgs With Fake Invites
New Spectre-v2 BTR Attack Leaks Linux Root Password Hashes
Autonomous AI Agent Breaches Cybersecurity Nonprofit DIVD
OpenAI Discloses Self-Replicating Worm-Style Prompt Injection
Fake ChatGPT Custom GPTs Push ClickFix Attacks to Drop RAT
101 Malicious npm Packages Add Developers to WhatsApp Groups
Glow Security Finds 13,000 Exposed AI Agent Screenshots
Kiteworks Patches Critical Flaw Found During Precautionary Shutdown
Ex-Air Force Members Sentenced to 189 Months for BEC Scams
Vietnamese National Charged in $16 Million Crypto Scam
Apple Patches CoreGraphics Zero-Day Used in Targeted Attacks
MCP Python SDK Flaw Exposes OAuth Credentials to Malicious Servers
OpenAI Shelves GPT-6.1 Astra After Safety Failures and Rogue Actions
Ransomware Attack Disrupts Keio Corporation Business Systems
Times Car Breach Exposes 6.6 Million Japanese Car-Sharing Accounts
Trend Micro QLNX Implant Targets Developers for Supply Chain Attacks
Application Security
Trend Micro: QLNX Implant Targets Developers for Supply Chain Attacks
Trend Micro on May 5, 2026 disclosed QLNX (Quasar Linux), a Linux implant targeting software developers with a 58-command shell, dual-layer eBPF rootkit, and 7 ...
MetInfo CVE-2026-29014 Exploited -- Unauthenticated PHP Code Injection
Application Security
MetInfo CVE-2026-29014 Exploited – Unauthenticated PHP Code Injection
CVE-2026-29014 in MetInfo CMS 7.9–8.1 is being actively exploited since April 25, 2026 via unauthenticated PHP injection achieving full server control. Patched April 7; ~2,000 ...
FTC Bans Data Broker Kochava from Selling Americans Location Data
Cybersecurity
FTC Bans Data Broker Kochava from Selling Americans Location Data
The FTC on May 5, 2026 proposed banning data broker Kochava from selling Americans' location data without consent. The 2022 lawsuit alleged Kochava processed 94 ...
Apache CVE-2026-23918 Enables DoS and RCE in HTTP2 -- Patch to 2.4.67
Application Security
Apache CVE-2026-23918 Enables DoS and RCE in HTTP/2 — Patch to 2.4.67
CVE-2026-23918 is a CVSS 8.8 double-free in Apache HTTP Server 2.4.66 mod_http2, causing DoS on default deployments and RCE on Debian and Docker installations. Fixed ...
China-Linked UAT-8302 Targets Governments in South America and Europe
Cybersecurity
China-Linked UAT-8302 Targets Governments in South America and Europe
Cisco Talos on May 5, 2026 linked UAT-8302, a China-nexus APT, to government espionage campaigns across South America and southeastern Europe using malware shared with ...
Karakurt Negotiator Gets 8.5 Years in First U.S. Conviction
Cybersecurity
Karakurt Negotiator Gets 8.5 Years in First U.S. Conviction
Deniss Zolotarjovs, Karakurt's "cold case" extortion negotiator, received an 8.5-year U.S. federal prison sentence — the first conviction of a Karakurt gang member — linked ...
Microsoft AiTM Phishing Hit 35,000 Users in 26 Countries
Cybersecurity
Microsoft: AiTM Phishing Hit 35,000 Users in 26 Countries
Microsoft disclosed an AiTM phishing campaign targeting 35,000 users in 13,000 organizations across 26 countries between April 14–16, 2026, bypassing MFA by stealing authenticated session ...
Palo Alto CVE-2026-0300 Under Active Attack -- Patch Due May 13
CVE Vulnerability Alerts
Palo Alto CVE-2026-0300 Under Active Attack — Patch Due May 13
Palo Alto Networks disclosed CVE-2026-0300 on May 6, 2026 — a CVSS 9.3 unauthenticated buffer overflow in PAN-OS Captive Portal actively exploited in the wild. ...
cPanel CVE-2026-41940 Exploited Within 24 Hours, Ransomware Deployed
Application Security
cPanel CVE-2026-41940 Exploited Within 24 Hours, Ransomware Deployed
CVE-2026-41940, a critical cPanel authentication bypass, is being actively exploited by multiple actors deploying ransomware and C2 tools against governments and MSPs across five countries.
Kaspersky DAEMON Tools Backdoored in Supply Chain Attack
Cybersecurity
Kaspersky: DAEMON Tools Backdoored in Supply Chain Attack
Kaspersky discovered DAEMON Tools versions 12.5.0.2421–12.5.0.2434 were backdoored on the official site for one month, infecting thousands across 100+ countries with a first-stage backdoor and ...
ShinyHunters Claims 280 Million Canvas Records Lifted from Instructure
Cybersecurity
ShinyHunters Claims 280 Million Canvas Records Lifted from Instructure
ShinyHunters claims 280 million records stolen from Instructure's Canvas LMS across 8,809 schools and universities in a breach disclosed May 5, 2026.
MOVEit Is Back in the Crosshairs CVSS 9.8 Flaw in Automation
CVE Vulnerability Alerts
MOVEit Is Back in the Crosshairs: CVSS 9.8 Flaw in Automation
Progress Software patched a CVSS 9.8 authentication bypass in MOVEit Automation — the same product line that fueled the catastrophic Cl0p ransomware campaign in 2023.
HR Emails Are the New Phishing Bait — And MFA Won’t Save You
Cybersecurity
HR Emails Are the New Phishing Bait — And MFA Won’t Save You
An adversary-in-the-middle phishing campaign hit 35,000 workers across 13,000 organizations in 48 hours, using fake HR emails to bypass MFA and steal Microsoft tokens.
SimpleHelp and ScreenConnect The IT Tools That Became a Backdoor
Cybersecurity
SimpleHelp and ScreenConnect: The IT Tools That Became a Backdoor
VENOMOUS#HELPER spent 13 months inside 80+ organizations using legitimate RMM software — SimpleHelp and ScreenConnect — as undetected persistent access channels.
11 Million Downloads, One Poisoned Version PyTorch's Close Call
Application Security
11 Million Downloads, One Poisoned Version: PyTorch’s Close Call
Attackers compromised PyTorch Lightning 2.6.3 on PyPI with ShaiWorm credential stealer, targeting cloud API keys, browser credentials, and AWS/Azure/GCP tokens.
Hacking the Hackers What a Security Vendor Breach Really Means
Cybersecurity
Hacking the Hackers: What a Security Vendor Breach Really Means
Trellix disclosed that attackers accessed its internal source code repositories — raising serious questions about what stolen security vendor source code enables.
Signed, Sealed, Stolen Hackers Used DigiCert to Certify Malware
Application Security
Signed, Sealed, Stolen: Hackers Used DigiCert to Certify Malware
Attackers compromised DigiCert support staff via a chat-delivered screenshot, used their access to obtain code-signing certificates, and signed Zhong Stealer malware.
Five Intelligence Agencies Agree Slow Down Your AI Agents
Application Security
Five Intelligence Agencies Agree: Slow Down Your AI Agents
The Five Eyes alliance issued its first joint advisory on agentic AI security, warning that autonomous AI systems introduce novel attack surfaces enterprises are not ...
275 Million Students' Records Allegedly Stolen in Canvas Breach
Cybersecurity
275 Million Students’ Records Allegedly Stolen in Canvas Breach
ShinyHunters claims 3.65 TB of Instructure Canvas data affecting 275 million users at 9,000 schools — with minors' data exposed and a Salesforce pivot involved.
Tax Season Never Really Ends for Hackers
Cybersecurity
Tax Season Never Really Ends for Hackers
China-linked Silver Fox deployed a new ABCDoor backdoor through tax-themed phishing targeting both Indian and Russian filers simultaneously — a significant operational expansion.
CVE Vulnerability Alerts
Critical FortiMail Zero-Day Exploited With No Patch Yet
Cybersecurity
Pentagon Records Agency Breach Exposes Data on 3 Million
Cybersecurity
Police Dismantle KillSec Ransomware Gang, Nab Teen Leader
Cybersecurity
Ransomware Attack Disrupts Keio Corporation Business Systems

TOP CYBERSECURITY HEADLINES

This Week’s Security Spotlight

Cybersecurity
FTC Confirms Probe Into OpenAI, Anthropic AI Agents
Cybersecurity
CSuite Phishing Campaign Hijacks Microsoft 365 Sessions
Cybersecurity
Pentagon Records Agency Breach Exposes Data on 3 Million
Cybersecurity
OpenAI Shelves GPT-6.1 Astra After Safety Failures and Rogue Actions
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Apache CVE-2026-23918 Enables DoS and RCE in HTTP/2 — Patch to 2.4.67
CVE-2026-23918 is a CVSS 8.8 double-free in Apache HTTP Server 2.4.66 mod_http2, causing DoS on default deployments and RCE on Debian and Docker installations. Fixed ...
China-Linked UAT-8302 Targets Governments in South America and Europe
Cisco Talos on May 5, 2026 linked UAT-8302, a China-nexus APT, to government espionage campaigns across South America and southeastern Europe using malware shared with ...
Karakurt Negotiator Gets 8.5 Years in First U.S. Conviction
Deniss Zolotarjovs, Karakurt's "cold case" extortion negotiator, received an 8.5-year U.S. federal prison sentence — the first conviction of a Karakurt gang member — linked ...
Microsoft: AiTM Phishing Hit 35,000 Users in 26 Countries
Microsoft disclosed an AiTM phishing campaign targeting 35,000 users in 13,000 organizations across 26 countries between April 14–16, 2026, bypassing MFA by stealing authenticated session ...
Palo Alto CVE-2026-0300 Under Active Attack — Patch Due May 13
Palo Alto Networks disclosed CVE-2026-0300 on May 6, 2026 — a CVSS 9.3 unauthenticated buffer overflow in PAN-OS Captive Portal actively exploited in the wild. ...
cPanel CVE-2026-41940 Exploited Within 24 Hours, Ransomware Deployed
CVE-2026-41940, a critical cPanel authentication bypass, is being actively exploited by multiple actors deploying ransomware and C2 tools against governments and MSPs across five countries.
Kaspersky: DAEMON Tools Backdoored in Supply Chain Attack
Kaspersky discovered DAEMON Tools versions 12.5.0.2421–12.5.0.2434 were backdoored on the official site for one month, infecting thousands across 100+ countries with a first-stage backdoor and ...
ShinyHunters Claims 280 Million Canvas Records Lifted from Instructure
ShinyHunters claims 280 million records stolen from Instructure's Canvas LMS across 8,809 schools and universities in a breach disclosed May 5, 2026.
MOVEit Is Back in the Crosshairs: CVSS 9.8 Flaw in Automation
Progress Software patched a CVSS 9.8 authentication bypass in MOVEit Automation — the same product line that fueled the catastrophic Cl0p ransomware campaign in 2023.
HR Emails Are the New Phishing Bait — And MFA Won’t Save You
An adversary-in-the-middle phishing campaign hit 35,000 workers across 13,000 organizations in 48 hours, using fake HR emails to bypass MFA and steal Microsoft tokens.
SimpleHelp and ScreenConnect: The IT Tools That Became a Backdoor
VENOMOUS#HELPER spent 13 months inside 80+ organizations using legitimate RMM software — SimpleHelp and ScreenConnect — as undetected persistent access channels.
11 Million Downloads, One Poisoned Version: PyTorch’s Close Call
Attackers compromised PyTorch Lightning 2.6.3 on PyPI with ShaiWorm credential stealer, targeting cloud API keys, browser credentials, and AWS/Azure/GCP tokens.
Hacking the Hackers: What a Security Vendor Breach Really Means
Trellix disclosed that attackers accessed its internal source code repositories — raising serious questions about what stolen security vendor source code enables.
Signed, Sealed, Stolen: Hackers Used DigiCert to Certify Malware
Attackers compromised DigiCert support staff via a chat-delivered screenshot, used their access to obtain code-signing certificates, and signed Zhong Stealer malware.
Five Intelligence Agencies Agree: Slow Down Your AI Agents
The Five Eyes alliance issued its first joint advisory on agentic AI security, warning that autonomous AI systems introduce novel attack surfaces enterprises are not ...
275 Million Students’ Records Allegedly Stolen in Canvas Breach
ShinyHunters claims 3.65 TB of Instructure Canvas data affecting 275 million users at 9,000 schools — with minors' data exposed and a Salesforce pivot involved.
Tax Season Never Really Ends for Hackers
China-linked Silver Fox deployed a new ABCDoor backdoor through tax-themed phishing targeting both Indian and Russian filers simultaneously — a significant operational expansion.
When Amazon Sends the Phishing Email
Threat actors are systematically abusing Amazon SES to send phishing emails that pass SPF, DKIM, and DMARC checks — turning AWS's own email infrastructure against ...
WhatsApp Patches Flaws That Let Hackers Hide Malware in Plain Sight
Meta patched WhatsApp file type spoofing and URL scheme vulnerabilities that could disguise malicious executables as benign files and redirect users to attacker-controlled resources.
North Korea Turned a Gaming App Into a Spyware Platform
North Korean APT37 compromised a gaming platform to deliver BirdCall, a new cross-platform spy tool targeting Android and Windows users since 2024.