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SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 115

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Security Affairs newsletter Round 595 by Pierluigi Paganini – INTERNATIONAL EDITION

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Google Gemini also Broke Out of Its Test Environment

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AI Helps Hackers Hijack OpenAI Staff Accounts Through a Forum

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Brevo Supply-Chain Attack Infected Over 100,000 Websites

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Gyazo Data Breach Exposes 23 Million User Records

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RatHat Turns Android Accessibility Into an Attack Weapon

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Check Point Fixes Critical CVE-2026-91843 Allowing Root Code Execution

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OpenAI admits its models lie to cover their own mistakes

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Cyberattacks on Oil Tankers Put Maritime Critical Infrastructure at Risk

 | 

SilkParasite Infrastructure Links SpiceRAT to Central Asian Targets

 | 

NightmareStresser Goes Offline in Global DDoS-for-Hire Crackdown

 | 

U.S. CISA adds Acronis Backup, Cisco ISE, and Google Pixel flaws to its Known Exploited Vulnerabilities catalog

 | 

Chosen Brick, Iran's Surveillance Malware

 | 

BambooToken: The Malware That Speaks MQTT to Stay Under the Radar

 | 

Google Patches Pixel Modem Zero-Day Exploited in Targeted Attacks

 | 

Revolut Data Leak May Trace Back to Compromised Italian Government Accounts

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Texas Utility CenterPoint Energy Confirms Data Breach After Hacker Claims 7.49M Records Stolen

 | 

U.S. CISA adds Cisco Secure Email Gateway flaw to its Known Exploited Vulnerabilities catalog

 | 

Cisco Warns of Ongoing Exploitation of Critical Email Gateway Zero-Day

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Malware
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 115
Pierluigi Paganini September 20, 2026

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Gray Rabbits and the Tale of a One-Click ...

Security
Security Affairs newsletter Round 595 by Pierluigi Paganini – INTERNATIONAL EDITION
Pierluigi Paganini September 20, 2026

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly Security ...

Artificial Intelligence
Google Gemini also Broke Out of Its Test Environment
Pierluigi Paganini September 19, 2026

Google Gemini escaped a cyber test environment, reached three real companies, and exposed why AI security tests need strict isolation. Google has confirmed that one of its Gemini models broke into ...

Artificial Intelligence
AI Helps Hackers Hijack OpenAI Staff Accounts Through a Forum
Pierluigi Paganini September 19, 2026

AI helped researchers exploit a Discourse flaw in under 72 hours, hijacking OpenAI staff accounts and exposing the risks of shared SSO. Three researchers at Hacktron just took over ChatGPT and Cod ...

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April 23, 2026
Checkmarx supply chain attack impacts Bitwarden npm distribution path
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Critical CrowdStrike LogScale bug could have allowed file access, but no exploitation was observed
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Malware

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 115

September 20, 2026

Security
Security Affairs newsletter Round 595 by Pierluigi Paganini – INTERNATIONAL EDITION

September 20, 2026

Artificial Intelligence
Google Gemini also Broke Out of Its Test Environment

September 19, 2026

Artificial Intelligence
AI Helps Hackers Hijack OpenAI Staff Accounts Through a Forum

September 19, 2026

Hacking
Brevo Supply-Chain Attack Infected Over 100,000 Websites

September 18, 2026

recent articles

Malware
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 115

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Gray Rabbits and the Tale of a One-Click ...

Pierluigi Paganini September 20, 2026
Security
Security Affairs newsletter Round 595 by Pierluigi Paganini – INTERNATIONAL EDITION

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly Security ...

Pierluigi Paganini September 20, 2026
Artificial Intelligence
Google Gemini also Broke Out of Its Test Environment

Google Gemini escaped a cyber test environment, reached three real companies, and exposed why AI security tests need strict isolation. Google has confirmed that one of its Gemini models broke into ...

Pierluigi Paganini September 19, 2026
Artificial Intelligence
AI Helps Hackers Hijack OpenAI Staff Accounts Through a Forum

AI helped researchers exploit a Discourse flaw in under 72 hours, hijacking OpenAI staff accounts and exposing the risks of shared SSO. Three researchers at Hacktron just took over ChatGPT and Cod ...

Pierluigi Paganini September 19, 2026
Hacking
Brevo Supply-Chain Attack Infected Over 100,000 Websites

A Brevo supply-chain attack used compromised Cloudflare access to inject malware into websites, potentially affecting over 100,000 sites. Brevo, formerly known as Sendinblue, is a French cloud-bas ...

Pierluigi Paganini September 18, 2026
Data Breach
Gyazo Data Breach Exposes 23 Million User Records

A Gyazo breach exposed 23 million user records after attackers exploited a vulnerability in Helpfeel’s image upload server. Japanese software company Helpfeel is notifying Gyazo users about a da ...

Pierluigi Paganini September 18, 2026
Malware
RatHat Turns Android Accessibility Into an Attack Weapon

RatHat combines AI-driven screen control, Android debugging abuse and advanced credential theft to give attackers deep control of infected phones. RatHat is the new Android trojan you should know ...

Pierluigi Paganini September 18, 2026
Security
Check Point Fixes Critical CVE-2026-91843 Allowing Root Code Execution

Check Point fixed CVE-2026-91843, a critical flaw that could let attackers run code as root on Security Management and Log Servers with no login needed. Check Point addressed CVE-2026-91843 (CVSS ...

Pierluigi Paganini September 18, 2026
Artificial Intelligence
OpenAI admits its models lie to cover their own mistakes

OpenAI launches a formal framework to disclose model misalignment, publishing six reports on models that lied, faked data, or bypassed rules. Most companies don't publish a document explaining how ...

Pierluigi Paganini September 17, 2026
Hacking
Cyberattacks on Oil Tankers Put Maritime Critical Infrastructure at Risk

Cyberattacks on oil tankers show how connected ships can expose navigation and critical systems, threatening safety, ports and global trade. U.S. Coast Guard personnel and FBI agents boarded two T ...

Pierluigi Paganini September 17, 2026
APT
SilkParasite Infrastructure Links SpiceRAT to Central Asian Targets

Hunt.io links SpiceRAT, NodeEdgeRAT and NomadRAT to a four-year SilkParasite campaign targeting governments and critical sectors in Central Asia. Hunt.io and researcher Guy Yasur have traced a tig ...

Pierluigi Paganini September 17, 2026
Cyber Crime
NightmareStresser Goes Offline in Global DDoS-for-Hire Crackdown

The DOJ seized domains behind NightmareStresser, a DDoS-for-hire service tied to hundreds of thousands of attacks since 2022, as part of Operation PowerOFF. Renting a DDoS attack used to be as eas ...

Pierluigi Paganini September 17, 2026
Security
U.S. CISA adds Acronis Backup, Cisco ISE, and Google Pixel flaws to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Acronis Backup, Cisco ISE, and Google Pixel flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity ...

Pierluigi Paganini September 17, 2026
Malware
Chosen Brick, Iran's Surveillance Malware

UK, US, and Dutch agencies expose Chosen Brick, Iranian malware used to track and harass dissidents, journalists, and activists via Telegram. The UK, the US, and the Netherlands published a joint ...

Pierluigi Paganini September 17, 2026
Malware
BambooToken: The Malware That Speaks MQTT to Stay Under the Radar

Lumen exposes BambooToken, a stealthy malware family using MQTT and sideloading to quietly infect targets across Asia and beyond. BambooToken is a new malware family that uses MQTT, a lightweight ...

Pierluigi Paganini September 16, 2026
Hacking
Google Patches Pixel Modem Zero-Day Exploited in Targeted Attacks

Google has patched a high-severity zero-day in the Pixel cellular modem after finding evidence that the vulnerability was exploited in limited, targeted attacks. Google has released its September ...

Pierluigi Paganini September 16, 2026
Data Breach
Revolut Data Leak May Trace Back to Compromised Italian Government Accounts

A suspected compromise of an Italian government PEC account may have allowed threat actors to impersonate law enforcement and obtain sensitive data from hundreds of Revolut customers. The Revolut ...

Pierluigi Paganini September 16, 2026
Data Breach
Texas Utility CenterPoint Energy Confirms Data Breach After Hacker Claims 7.49M Records Stolen

CenterPoint Energy confirmed a customer data breach after a hacker claimed to leak 7.49M records, including personal and billing information. CenterPoint Energy admitted on Monday that an intruder ...

Pierluigi Paganini September 16, 2026
Security
U.S. CISA adds Cisco Secure Email Gateway flaw to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Cisco Secure Email Gateway flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security ...

Pierluigi Paganini September 15, 2026
Hacking
Cisco Warns of Ongoing Exploitation of Critical Email Gateway Zero-Day

Cisco warns of a critical zero-day in Secure Email Gateway, exploited in the wild to gain root access through malicious emails. Cisco disclosed a critical zero-day, tracked as CVE-2026-76461 (CVSS ...

Pierluigi Paganini September 15, 2026