IT Security News Roundup: 2026-09-29

IT Security News: today roundup

1. Ransomware hit Japanese railway operator Keio Corporation, disrupting business systems.
2. OpenAI launched new AI agents named Dots at its developer event.
3. The FBI warned cybercrime group ShinyHunters it can locate them.
4. Veracode reported a 20% annual surge in critical security debt.
5. A California non-profit sued OpenAI over malicious AI agent actions.
6. Protego Ventures raised $125 million to fund Israeli defense technology startups.
7. Panda Security published a guide explaining credential-guessing brute force attacks.
8. Star Blizzard hackers targeted 100 organizations using fake event invitations.
9. Wordfence released its Q2 2026 threat intelligence report covering WordPress security.
10. Hackers used stolen staff credentials to breach French tax data.
11. Malicious browser extensions impersonated prominent investors to carry out cryptocurrency scams.
12. Attackers exploited Citrix zero-day flaws with custom malware targeting financial institutions.
13. Dutch police and FBI arrested an alleged ShinyHunters cybercrime group leader.
14. Hackers breached Polish software vendor Qbusoft, stealing patient identity records.
15. Apple patched actively exploited security flaws affecting iPhones, iPads, and Macs.
16. Hackers hid OpenSUpdater malware inside 7-Zip installation files to evade detection.
17. Hackread published an analysis evaluating stablecoin adoption for corporate cross-border payments.
18. Cyber Security News outlined threat intelligence techniques to detect phishing infrastructure faster.
19. The FBI confirmed a security breach exposing thousands of employee records.
20. Salmon launched verification infrastructure to secure AI agents and autonomous systems.
21. DARPA selected Xint to find military messaging app vulnerabilities using AI.
22. Researchers discovered a new Spectre-v2 variant leaking memory across major CPUs.
23. Researchers detailed PhantomRaven, an AI-generated infostealer built for bug bounty research.
24. Dutch police arrested a ShinyHunters hacker accused of plotting two murders.
25. A new Spectre-v2 variant exposed Intel, AMD, and Arm processors.

Sources in this roundup

Most-mentioned keywords

Sources

1. Japanese railway operators Keio Corporation and Tokyo Metro disclose security breaches
2. OpenAI CEO Announces New AI Agent and Avoids Mention of Security Concerns at Developer Conference
3. FBI to ShinyHunters: 'We know how to find you'
4. Detection and Response Did Its Job. Now Someone Has to Actually Fix It.
5. OpenAI Gets Sued Over the Hugging Face Hack
6. Protego Ventures closes debut $125M fund for Israeli defense tech
7. What Is a Brute Force Attack? Types, Risks and Prevention
8. Russia's Star Blizzard Targets 100+ Organizations With Fake Event Invites to Deliver Backdoor
9. Quarterly WordPress Threat Intelligence Report – Q2 2026
10. French Tax Data Theft Using Stolen Staff Passwords Went Undetected for Seven Weeks
11. Crypto Scam Extensions Masquerade as High-Profile Investors
12. Custom malware used in Citrix 0-day attacks targeting govt, banks, professional services
13. FBI and Dutch Police Arrested Alleged ShinyHunters Hackers Group Leader
14. Hackers Breach Polish Medical Software Firm Qbusoft, Expose Patient Data in Second Healthcare Attack in Weeks
15. Still running iOS 26? Update your iPhones, iPads, and Macs for this urgent security fix
16. Hackers Hide Malware Inside 7-Zip Installers Using a New Evasion Technique
17. When to Use Stablecoins for Cross-Border Business Payments
18. How US SOCs and MSSPs Can Use Threat Intelligence to Detect Phishing Infrastructure Earlier
19. FBI Acknowledges Major Breach Of Employee Data
20. Salmon Introduces Execution Verification Infrastructure (EVI) for Securing AI Agents and Autonomous Systems
21. DARPA Selects Xint to Use AI in Securing Military Messaging Apps
22. New Spectre-v2 BTR Attack Leaks Linux Memory Despite Existing Defenses
23. PhantomRaven: An LLM-Generated Information Stealer Developed for Bug Bounty Hunting
24. Dutch police arrest ShinyHunters hacker accused of planning two murders
25. New Spectre v2 Variant Exposes Intel, AMD, Arm CPUs to Data Leaks