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Latest news and stories from BleepingComputer.com From a bleeping computer to a working computer.
Lessons from the Underground: How to Combat Business Email Compromise
Business Email Compromise is more than an email scam. It's a coordinated operation involving compromised accounts, financial research, and cash-out networks. Flare explores how underground forums reveal how BEC attacks are planned and executed. [...]
https://www.bleepingcomputer.com/news/security/lessons-from-the-underground-how-to-combat-business-email-compromise/
Microsoft adds smarter bot protection to Teams meetings
Microsoft has introduced a new Teams admin policy that allows organizers to prevent third-party bots from joining meetings without approval. [...]
https://www.bleepingcomputer.com/news/microsoft/mircosoft-adds-smarter-bot-protection-to-teams-meetings/
Blackfield ransomware asks Nidec Corporation for $2 million ransom
The Blackfield ransomware gang is asking for a $2 million ransom from Nidec Corporation, a large Japanese manufacturer of electronic components for automotive and computing applications. [...]
https://www.bleepingcomputer.com/news/security/blackfield-ransomware-asks-nidec-corporation-for-2-million-ransom/
Nissan discloses employee data breach linked to Oracle zero-day attacks
Nissan is warning that it suffered a data breach affecting current and former employees after threat actors exploited an Oracle PeopleSoft vulnerability in data theft attacks previously linked to the ShinyHunters extortion group. [...]
https://www.bleepingcomputer.com/news/security/nissan-discloses-employee-data-breach-linked-to-oracle-zero-day-attacks/
WhatsApp rolls out usernames to help users hide their phone number
WhatsApp is finally allowing users to reserve usernames, a privacy feature that lets them hide their phone numbers from people not in their contact list. [...]
https://www.bleepingcomputer.com/news/security/whatsapp-rolls-out-usernames-to-help-users-hide-their-phone-number/
U.S. offers $10 million for hackers targeting WhatsApp, Signal users
The U.S. Department of State is offering up to $10 million for information that helps identify or locate members of the UNC5792 and UNC4221 hacker groups, which are linked to Russia's intelligence and military services. [...]
https://www.bleepingcomputer.com/news/security/us-offers-10-million-for-hackers-targeting-whatsapp-signal-users/
Critical SimpleHelp flaw exploited to deploy new stealer malware
Hackers are exploiting a recently disclosed critical vulnerability (CVE-2026-48558) in SimpleHelp to deploy Djinn Stealer, a previously undocumented cross-platform information stealer targeting Windows, macOS, and Linux. [...]
https://www.bleepingcomputer.com/news/security/hackers-exploit-critical-simplehelp-flaw-deploy-new-djinn-infostealer-taskweaver-malware/
Webinar: Why business email compromise attacks keep succeeding
Business email compromise attacks increasingly rely on convincing impersonation rather than malware, making them harder for employees and traditional email defenses to detect. This webinar explores how behavioral AI can help identify sophisticated email threats and automate response workflows. [...]
https://www.bleepingcomputer.com/news/security/webinar-why-business-email-compromise-attacks-keep-succeeding/
Data breach exposes up to 14.2 million email logins at six ISPs
Japanese telecommunications operator KDDI Corporation disclosed a data breach where threat actors gained access to one of its email systems used by five other internet service providers (ISPs) in the country. [...]
https://www.bleepingcomputer.com/news/security/data-breach-exposes-up-to-142-million-email-logins-at-six-isps/
FBI: Russian hackers now target Signal backup recovery keys
The FBI and CISA are warning that a phishing campaign targeting Signal users tied to Russian intelligence services has evolved to steal Signal Backup Recovery Keys, allowing attackers to access victims' historical messages. [...]
https://www.bleepingcomputer.com/news/security/fbi-russian-hackers-now-target-signal-backup-recovery-keys/
Polymarket customers lose $3 million in supply-chain attack
Polymarket says it will fully reimburse customers who lost an estimated $3 million after hackers injected a malicious script into the platform's frontend following a breach at a third-party vendor. [...]
https://www.bleepingcomputer.com/news/security/polymarket-customers-lose-3-million-in-supply-chain-attack/
Your First GRC Agent: A Red Teamer's Walkthrough
AI won't replace GRC analysts, but it can eliminate much of the repetitive work they do. Anecdotes walks through building an agent that continuously monitors controls, identifies evidence gaps, and opens remediation tasks. [...]
https://www.bleepingcomputer.com/news/security/your-first-grc-agent-a-red-teamers-walkthrough/
Poland busts SIM-swapping gang tied to millions in crypto theft
Authorities in Poland have arrested four members of an organized cybercrime group accused of breaching telecommunications partners and hijacking email accounts to carry out SIM-swapping attacks. [...]
https://www.bleepingcomputer.com/news/security/poland-busts-sim-swapping-gang-tied-to-millions-in-crypto-theft/
Microsoft quietly extends free Windows 10 ESU support to October 2027
Microsoft has quietly extended its free Windows 10 Extended Security Updates (ESU) program for consumers by an additional year, allowing enrolled devices to continue receiving security updates until October 12, 2027. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-quietly-extends-free-windows-10-esu-support-to-october-2027/
PirloTV sports piracy network disrupted as 44 domains seized
A major sports piracy ring linked to the illegal PirloTV streaming platform has been disrupted in an action that targeted 44 domains. [...]
https://www.bleepingcomputer.com/news/security/pirlotv-sports-piracy-network-disrupted-as-44-domains-seized/
Insurance giant Aflac discloses data breach after subsidiary hack
American insurance giant Aflac has disclosed a new data breach after attackers breached its Japan subsidiary's systems and stole personal and bank account information. [...]
https://www.bleepingcomputer.com/news/security/insurance-giant-aflac-discloses-data-breach-after-subsidiary-hack/
Kali Linux 2026.2 released with 9 new tools, NetHunter updates
Kali Linux 2026.2, the second release of the year, is now available for download, featuring 9 new tools and numerous Kali NetHunter improvements. [...]
https://www.bleepingcomputer.com/news/linux/kali-linux-20262-released-with-9-new-tools-nethunter-updates/
CISA: Windows BlueHammer flaw now exploited by ransomware gangs
CISA confirmed on Monday that ransomware gangs are now exploiting a Microsoft Defender privilege escalation vulnerability, dubbed BlueHammer, that has previously been abused in zero-day attacks. [...]
https://www.bleepingcomputer.com/news/security/cisa-windows-bluehammer-flaw-now-exploited-by-ransomware-gangs/
NAIC says public data stolen in ShinyHunters' PeopleSoft breach
The National Association of Insurance Commissioners (NAIC) says the ShinyHunters extortion group stole only publicly available data, outdated logs, and configuration files after breaching its systems by exploiting a zero-day vulnerability in an Oracle PeopleSoft server. [...]
https://www.bleepingcomputer.com/news/security/naic-says-public-data-stolen-in-shinyhunters-peoplesoft-breach/
Microsoft extends Windows Server 2022 hotpatching until October 2027
Microsoft has extended Windows Server 2022 hotpatching until October 2027, one year after the mainstream end date of October 2026. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-extends-windows-server-2022-hotpatching-until-october-2027/
Agentic AI Has an Identity Problem and Attackers Know It
AI agents can access data, trigger workflows, and take action across enterprise systems. Token Security explains why governing these privileged identities is becoming essential for enterprise security. [...]
https://www.bleepingcomputer.com/news/security/agentic-ai-has-an-identity-problem-and-attackers-know-it/
Hackers now exploit critical Oracle E-Business flaw in attacks
Attackers have begun exploiting a critical vulnerability (CVE-2026-46817) in the Oracle E-Business Suite (EBS) financial application, according to threat intelligence company Defused. [...]
https://www.bleepingcomputer.com/news/security/new-oracle-e-business-suite-flaw-now-exploited-in-attacks/
US seizes hundreds of FIFA World Cup illegal streaming domains
The U.S. Justice Department's Criminal Division has seized nearly 400 web domains used for illegally streaming matches at the FIFA World Cup. [...]
https://www.bleepingcomputer.com/news/security/us-seizes-hundreds-of-fifa-world-cup-illegal-streaming-domains/
Clean GitHub repo tricks AI coding agents into running malware
An agentic coding tool tasked with cloning and setting up a seemingly benign GitHub repository could execute a malicious payload that remains invisible to security scanners, AI agents, and human reviewers. [...]
https://www.bleepingcomputer.com/news/security/clean-github-repo-tricks-ai-coding-agents-into-running-malware/
CISA sets urgent deadline to fix Cisco flaw exploited in attacks
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is giving federal agencies until Sunday to patch a vulnerability in Cisco Unified Communications Manager Server that is being actively exploited. [...]
https://www.bleepingcomputer.com/news/security/cisa-sets-urgent-deadline-to-fix-cisco-flaw-exploited-in-attacks/
Cybersecurity firms targeted by fraudulent OpenAI organization invites
Threat actors are creating OpenAI tenants that impersonate legitimate companies and inviting employees to join them, in what appears to be a ploy to trick targets into submitting sensitive company information in chats and projects. [...]
https://www.bleepingcomputer.com/news/security/cybersecurity-firms-targeted-by-fraudulent-openai-organization-invites/
Anthropic is testing desktop-like Claude Cowork for mobile
Anthropic appears to be testing Claude Cowork support on mobile, allowing you to manage long-running Claude tasks from your phone. [...]
https://www.bleepingcomputer.com/news/artificial-intelligence/anthropic-is-testing-desktop-like-claude-cowork-for-mobile/
Order-tracking app Shop abused to push callback phishing attacks
Threat actors are increasingly abusing Shop, the order-tracking app from Shopify, by adding fake purchase receipts in users' order histories to trick them into providing sensitive data or installing remote access software. [...]
https://www.bleepingcomputer.com/news/security/order-tracking-app-shop-abused-to-push-callback-phishing-attacks/
New macOS malware embeds fake errors to confuse AI analysis tools
A newly discovered macOS malware dubbed "Gaslight" is designed to confuse AI-assisted malware analysis tools by hiding prompt injection strings and fake debugging data within the executable. [...]
https://www.bleepingcomputer.com/news/security/new-macos-malware-embeds-fake-errors-to-confuse-ai-analysis-tools/
Bluekit phishing kit adopts browser-in-the-middle for login theft
The Bluekit phishing-as-a-service platform continues to evolve with nearly 70 new hostnames identified over the past week and by adding browser-in-the-middle capabilities for improved data theft. [...]
https://www.bleepingcomputer.com/news/security/bluekit-phishing-kit-adopts-browser-in-the-middle-for-login-theft/