Charter Communications Data Breach Exposes 4.9 Million Accounts — BleepingComputer

The ShinyHunters extortion gang has breached Charter Communications, compromising personal data of 4.9 million accounts. The breach involves sensitive customer information, potentially leading to identity theft and financial fraud. Security teams should monitor for suspicious activities and strengthen data protection measures to mitigate risks associated with this breach.

AI Exploits: ChatGPhish and LLM Agent Post-Exploitation — The Hacker News

Cybersecurity researchers have identified new vulnerabilities in OpenAI's ChatGPT, including a phishing surface known as ChatGPhish, which exploits web summaries. Additionally, threat actors are leveraging large language model (LLM) agents for post-exploitation tasks following the Marimo CVE-2026-39987 exploit. These developments highlight the evolving threat landscape where AI is being used to enhance cyberattacks. Security teams should update defenses to address these novel attack vectors.

Dutch Authorities Dismantle Massive Botnet of 17 Million Devices — BleepingComputer

Dutch authorities have successfully taken down a botnet comprising 17 million infected devices, associated with a Russia-based residential proxy network. This operation involved seizing over 200 servers used for command and control. The disruption of such a large botnet reduces the risk of DDoS attacks and other malicious activities. Organizations should remain vigilant and ensure their devices are not part of such networks by maintaining up-to-date security patches and monitoring network traffic.

• California Sues Former 23andMe Over 2023 Ancestry And Genetic Data Breach - Patch [Google News Security]
• ChatGPT share links abused to host fake outage pages to deliver malware [BleepingComputer]
• New Russian-Linked GREYVIBE Targets Ukraine with AI-Powered Cyberattacks [The Hacker News]
• Google Chrome adds session cookie theft protection for all users [BleepingComputer]
• Google Chromeが151件の脆弱性を一斉修正、「重大」含む過去最大級のセキュリティアップデート - finance.biggo.jp [Google News Security (JP)]