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Latest news and stories from BleepingComputer.com From a bleeping computer to a working computer.
Chinese state hackers use rootkit to hide ToneShell malware activity
A new sample of the ToneShell backdoor, typically seen in Chinese cyberespionage campaigns, has been delivered through a kernel-mode loader in attacks against government organizations. [...]
https://www.bleepingcomputer.com/news/security/chinese-state-hackers-use-rootkit-to-hide-toneshell-malware-activity/
Hacker arrested for KMSAuto malware campaign with 2.8 million downloads
A Lithuanian national has been arrested for his alleged involvement in infecting 2.8 million systems with clipboard-stealing malware disguised as the KMSAuto tool for illegally activating Windows and Office software. [...]
https://www.bleepingcomputer.com/news/security/hacker-arrested-for-kmsauto-malware-campaign-with-28-million-downloads/
The Real-World Attacks Behind OWASP Agentic AI Top 10
OWASP's new Agentic AI Top 10 highlights real-world attacks already targeting autonomous AI systems, from goal hijacking to malicious MCP servers. Koi Security breaks down real-world incidents behind multiple categories, including two cases cited by OWASP, showing how agent tools and runtime behavior are being abused. [...]
https://www.bleepingcomputer.com/news/security/the-real-world-attacks-behind-owasp-agentic-ai-top-10/
Romanian energy provider hit by Gentlemen ransomware attack
A ransomware attack hit Oltenia Energy Complex (Complexul Energetic Oltenia), Romania's largest coal-based energy producer, on the second day of Christmas, taking down its IT infrastructure. [...]
https://www.bleepingcomputer.com/news/security/romanian-energy-provider-hit-by-gentlemen-ransomware-attack/
Korean Air data breach exposes data of thousands of employees
Korean Air experienced a data breach affecting thousands of employees after Korean Air Catering & Duty-Free (KC&D), its in-flight catering supplier and former subsidiary, was recently hacked. [...]
https://www.bleepingcomputer.com/news/security/korean-air-data-breach-exposes-data-of-thousands-of-employees/
Fortinet warns of 5-year-old FortiOS 2FA bypass still exploited in attacks
Fortinet has warned customers that threat actors are still actively exploiting a critical FortiOS vulnerability that allows them to bypass two-factor authentication (2FA) when targeting vulnerable FortiGate firewalls. [...]
https://www.bleepingcomputer.com/news/security/fortinet-warns-of-5-year-old-fortios-2fa-bypass-still-exploited-in-attacks/
Hacker claims to leak WIRED database with 2.3 million records
A hacker claims to have breached Condé Nast and leaked an alleged WIRED database containing more than 2.3 million subscriber records, while also warning that they plan to release up to 40 million additional records for other Condé Nast properties. [...]
https://www.bleepingcomputer.com/news/security/hacker-claims-to-leak-wired-database-with-23-million-records/
OpenAI's ChatGPT ads will allegedly prioritize sponsored content in answers
OpenAI is reportedly mulling a new form of ads on ChatGPT called "sponsored content," which could influence your buying decisions. [...]
https://www.bleepingcomputer.com/news/artificial-intelligence/openais-chatgpt-ads-will-allegedly-prioritize-sponsored-content-in-answers/
Trust Wallet Chrome extension hack tied to millions in losses
Several users of the Trust Wallet Chrome extension report having their cryptocurrency wallets drained after installing a compromised extension update released on December 24, prompting an urgent response from the company and warnings to affected users. Simultaneously, BleepingComputer observed a phishing domain launched by hackers. [...]
https://www.bleepingcomputer.com/news/security/trust-wallet-chrome-extension-hack-tied-to-millions-in-losses/
Google will finally allow you to change your @gmail.com address
Google will finally allow you to change your @gmail address or create a new alias, according to a new support document. [...]
https://www.bleepingcomputer.com/news/google/google-will-finally-allow-you-to-change-your-gmailcom-address/
Fake MAS Windows activation domain used to spread PowerShell malware
A typosquatted domain impersonating the Microsoft Activation Scripts (MAS) tool was used to distribute malicious PowerShell scripts that infect Windows systems with the 'Cosmali Loader'. [...]
https://www.bleepingcomputer.com/news/security/fake-mas-windows-activation-domain-used-to-spread-powershell-malware/
MongoDB warns admins to patch severe RCE flaw immediately
MongoDB has warned IT admins to immediately patch a high-severity vulnerability that can be exploited in remote code execution (RCE) attacks targeting vulnerable servers. [...]
https://www.bleepingcomputer.com/news/security/mongodb-warns-admins-to-patch-severe-rce-flaw-immediately/
Microsoft rolls out hardware-accelerated BitLocker in Windows 11
Microsoft is rolling out hardware-accelerated BitLocker in Windows 11 to address growing performance and security concerns by leveraging the capabilities of system-on-a-chip and CPU. [...]
https://www.bleepingcomputer.com/news/security/microsoft-rolls-out-hardware-accelerated-bitlocker-in-windows-11/
Malicious extensions in Chrome Web store steal user credentials
Two Chrome extensions in the Web Store named 'Phantom Shuttle' are posing as plugins for a proxy service to hijack user traffic and steal sensitive data. [...]
https://www.bleepingcomputer.com/news/security/malicious-extensions-in-chrome-web-store-steal-user-credentials/
Cyberattack knocks offline France's postal, banking services
The French national postal service's online services were knocked offline by "a major network incident" on Monday, disrupting digital banking and other services for millions. [...]
https://www.bleepingcomputer.com/news/security/cyberattack-knocks-offline-frances-postal-banking-services/
Coupang to split $1.17 billion among 33.7 million data breach victims
Coupang, the largest retailer in South Korea, announced $1.17 billion (1.685 trillion Won) total compensation for the 33.7 million customers whose information was exposed in the data breach discovered last month. [...]
https://www.bleepingcomputer.com/news/security/coupang-to-split-117-billion-among-337-million-data-breach-victims/
Trust Wallet says 2,596 wallets drained in $7 million crypto theft attack
Trust Wallet says attackers who compromised its browser extension right before Christmas have drained approximately $7 million from nearly 3,000 cryptocurrency wallet addresses. [...]
https://www.bleepingcomputer.com/news/security/trust-wallet-says-7-million-crypto-theft-attack-drained-2-596-wallets/
ChatGPT finally rolls out Thinking time toggle on mobile
OpenAI is rolling out an update to ChatGPT on mobile that finally allows you to select the Thinking time toggle, also called "juice" of the model. [...]
https://www.bleepingcomputer.com/news/artificial-intelligence/chatgpt-finally-rolls-out-thinking-time-toggle-on-mobile/
Former Coinbase support agent arrested for helping hackers
A former Coinbase customer service agent was arrested in India for helping hackers earlier this year steal sensitive customer information from a company database. [...]
https://www.bleepingcomputer.com/news/security/former-coinbase-support-agent-arrested-for-helping-hackers/
Microsoft Copilot is rolling out GPT 5.2 as "Smart Plus" mode
Microsoft is rolling out GPT 5.2 to Copilot on the web, Windows, and mobile as a free upgrade, and it'll coexist with the GPT 5.1 model. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-copilot-is-rolling-out-gpt-52-as-smart-plus-mode/
Exploited MongoBleed flaw leaks MongoDB secrets, 87K servers exposed
A severe vulnerability affecting multiple MongoDB versions, dubbed MongoBleed (CVE-2025-14847), is being actively exploited in the wild, with over 80,000 potentially vulnerable servers exposed on the public web. [...]
https://www.bleepingcomputer.com/news/security/exploited-mongobleed-flaw-leaks-mongodb-secrets-87k-servers-exposed/
Massive Rainbow Six Siege breach gives players billions of credits
Ubisoft's Rainbow Six Siege (R6) suffered a breach that allowed hackers to abuse internal systems to ban and unban players, manipulate in-game moderation feeds, and grant massive amounts of in-game currency and cosmetic items to accounts worldwide. [...]
https://www.bleepingcomputer.com/news/security/massive-rainbow-six-siege-breach-gives-players-billions-of-credits/
Fake GrubHub emails promise tenfold return on sent cryptocurrency
Grubhub users received fraudulent messages, apparently from a company email address, promising a tenfold bitcoin payout in return for a transfer to a specified wallet. [...]
https://www.bleepingcomputer.com/news/security/fake-grubhub-emails-promise-tenfold-return-on-sent-cryptocurrency/
ChatGPT’s new formatting blocks make its UI look more like a task tool
OpenAI has quietly rolled out 'formatting blocks,' which tweak GPT's layout to match the UI of the task it is supposed to execute. [...]
https://www.bleepingcomputer.com/news/artificial-intelligence/chatgpts-new-formatting-blocks-make-its-ui-look-more-like-a-task-tool/
OpenAI is reportedly testing Claude-like Skills for ChatGPT
OpenAI is testing a new ChatGPT feature called "Skills," which will be similar to Claude's feature, also called Skills. [...]
https://www.bleepingcomputer.com/news/artificial-intelligence/openai-is-reportedly-testing-claude-like-skills-for-chatgpt/
Microsoft Teams to let admins block external users via Defender portal
Microsoft announced that security administrators will soon be able to block external users from sending messages, calls, or meeting invitations to members of their organization via Teams. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-teams-to-let-admins-block-external-users-via-defender-portal/
FBI seizes domain storing bank credentials stolen from U.S. victims
The U.S. government has seized the 'web3adspanels.org' domain and the associated database used by cybercriminals to host bank login credentials stolen in account takeover attacks. [...]
https://www.bleepingcomputer.com/news/security/fbi-seizes-domain-storing-bank-credentials-stolen-from-us-victims/
WebRAT malware spread via fake vulnerability exploits on GitHub
The WebRAT malware is now being distributed through GitHub repositories that claim to host proof-of-concept exploits for recently disclosed vulnerabilities. [...]
https://www.bleepingcomputer.com/news/security/webrat-malware-spread-via-fake-vulnerability-exploits-on-github/
Microsoft Teams strengthens messaging security by default in January
Microsoft Teams will automatically enable messaging safety features by default in January to strengthen defenses against content tagged as malicious. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-teams-strengthens-messaging-security-by-default-in-january/
Italy fines Apple $116 million over App Store privacy policy issues
Italy's competition authority (AGCM) has fined Apple €98.6 million ($116 million) for using the App Tracking Transparency (ATT) privacy framework to abuse its dominant market position in mobile app advertising. [...]
https://www.bleepingcomputer.com/news/security/italy-fines-apple-116-million-over-app-store-tracking-privacy-practices/