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Latest news and stories from BleepingComputer.com From a bleeping computer to a working computer.
Cisco says critical Webex Services flaw requires customer action
Cisco has released security updates to patch four critical vulnerabilities, including a fixed improper certificate validation flaw in the company's cloud-based Webex Services platform that requires further customer action. [...]
https://www.bleepingcomputer.com/news/security/cisco-says-critical-webex-services-flaw-requires-customer-action/
US nationals behind DPRK IT worker 'laptop farm' sent to prison
Two U.S. nationals have been sent to prison for helping North Korean remote information technology (IT) workers to pose as U.S. residents and get hired by over 100 companies across the country, including many Fortune 500 firms. [...]
https://www.bleepingcomputer.com/news/security/us-nationals-behind-north-korean-it-worker-laptop-farm-sent-to-prison/
Critical Nginx UI auth bypass flaw now actively exploited in the wild
A critical vulnerability in Nginx UI with Model Context Protocol (MCP) support is now being exploited in the wild for full server takeover without authentication. [...]
https://www.bleepingcomputer.com/news/security/critical-nginx-ui-auth-bypass-flaw-now-actively-exploited-in-the-wild/
WordPress plugin suite hacked to push malware to thousands of sites
More than 30 WordPress plugins in the EssentialPlugin package have been compromised with malicious code that allows unauthorized access to websites running them. [...]
https://www.bleepingcomputer.com/news/security/wordpress-plugin-suite-hacked-to-push-malware-to-thousands-of-sites/
Microsoft pays $2.3M for cloud and AI flaws at Zero Day Quest
Microsoft has awarded $2.3 million to security researchers after receiving nearly 700 submissions during this year's Zero Day Quest hacking contest. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-pays-23-million-for-cloud-and-ai-flaws-at-zero-day-quest/
Rolling Networks: Securing the Transportation Sector
Modern trucks are rolling networks packed with sensors, connectivity, and attack surfaces, creating new cyber risks. NMFTA's Cybersecurity Conference brings industry leaders together to tackle emerging threats in transportation. [...]
https://www.bleepingcomputer.com/news/security/rolling-networks-securing-the-transportation-sector/
Microsoft fixes bug behind Windows Server 2025 automatic upgrades
Microsoft has finally fixed a known issue that was causing systems running Windows Server 2019 and 2022 to "unexpectedly" upgrade to Windows Server 2025. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-fixes-bug-behind-windows-server-2025-automatic-upgrades/
Crypto-exchange Kraken extorted by hackers after insider breach
The Kraken cryptocurrency exchange announced that a cybercrime group is trying to extort the company by threatening to release videos showing internal systems that host client data. [...]
https://www.bleepingcomputer.com/news/security/crypto-exchange-kraken-extorted-by-hackers-after-insider-breach/
Microsoft releases Windows 10 KB5082200 extended security update
Microsoft has released the Windows 10 KB5082200 extended security update to fix the April 2026 Patch Tuesday vulnerabilities, including 2 zero-days. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-releases-windows-10-kb5082200-extended-security-update/
Windows 11 cumulative updates KB5083769 & KB5082052 released
Microsoft has released Windows 11 KB5083769 and KB5082052 cumulative updates for versions 25H2/24H2 and 23H2 to fix security vulnerabilities, bugs, and add new features. [...]
https://www.bleepingcomputer.com/news/microsoft/windows-11-cumulative-updates-kb5083769-and-kb5082052-released/
Fake Ledger Live app on Apple’s App Store stole $9.5M in crypto
A malicious Ledger Live app for macOS available from Apple's App Store has drained approximately $9.5 million in cryptocurrency from 50 victims in just a few days this month. [...]
https://www.bleepingcomputer.com/news/security/fake-ledger-live-app-on-apples-app-store-stole-95m-in-crypto/
5 Ways Zero Trust Maximizes Identity Security
Stolen credentials remain a top breach vector, often leading to unchecked privilege escalation. Specops explains how identity-first Zero Trust limits access, enforces device trust, and blocks lateral movement. [...]
https://www.bleepingcomputer.com/news/security/5-ways-zero-trust-maximizes-identity-security/
Stolen Rockstar Games analytics data leaked by extortion gang
Rockstar Games has suffered a data breach linked to a recent security incident at Anodot, with the ShinyHunters extortion gang now leaking the stolen data on its data leak site. [...]
https://www.bleepingcomputer.com/news/security/stolen-rockstar-games-analytics-data-leaked-by-extortion-gang/
FBI takedown of W3LL phishing service leads to developer arrest
The FBI Atlanta Field Office and Indonesian authorities have dismantled the "W3LL" global phishing platform, seizing infrastructure and arresting the alleged developer in what is described as the first coordinated enforcement action between the United States and Indonesia targeting a phishing kit developer. [...]
https://www.bleepingcomputer.com/news/security/fbi-takedown-of-w3ll-phishing-service-leads-to-developer-arrest/
New Booking.com data breach forces reservation PIN resets
Booking.com has confirmed via a statement to BleepingComputer that it has detected unauthorized access to its systems that has exposed sensitive reservation and user data. [...]
https://www.bleepingcomputer.com/news/security/new-bookingcom-data-breach-forces-reservation-pin-resets/
Data breach at edtech giant McGraw Hill affects 13.5 million accounts
The ShinyHunters extortion group has leaked data from 13.5 million McGraw Hill user accounts, stolen after breaching the company's Salesforce environment earlier this month. [...]
https://www.bleepingcomputer.com/news/security/data-breach-at-edtech-giant-mcgraw-hill-affects-135-million-accounts/
Microsoft: April Windows Server 2025 update may fail to install
Microsoft is investigating an issue causing this month's KB5082063 security update to fail to install on some Windows Server 2025 systems. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-april-windows-server-2025-update-may-fail-to-install/
New AgingFly malware used in attacks on Ukraine govt, hospitals
A new malware family named 'AgingFly' has been identified in attacks against local governments and hospitals that steal authentication data from Chromium-based browsers and WhatsApp messenger. [...]
https://www.bleepingcomputer.com/news/security/new-agingfly-malware-used-in-attacks-on-ukraine-govt-hospitals/
Signed software abused to deploy antivirus-killing scripts
A digitally signed adware tool has deployed payloads running with SYSTEM privileges that disabled antivirus protections on thousands of endpoints, some in the educational, utilities, government, and healthcare sectors. [...]
https://www.bleepingcomputer.com/news/security/signed-software-abused-to-deploy-antivirus-killing-scripts/
CISA flags Windows Task Host vulnerability as exploited in attacks
CISA warned U.S. government agencies to secure their systems against a Windows Task Host privilege escalation vulnerability that could allow attackers to gain SYSTEM privileges. [...]
https://www.bleepingcomputer.com/news/security/cisa-flags-windows-task-host-vulnerability-as-exploited-in-attacks/
Microsoft: April updates trigger BitLocker key prompts on some servers
Microsoft confirmed on Tuesday that some Windows Server 2025 devices will boot into BitLocker recovery after installing the April 2026 KB5082063 Windows security update. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-some-windows-servers-ask-for-bitlocker-key-after-april-updates/
Microsoft adds Windows protections for malicious Remote Desktop files
Microsoft has introduced new Windows protections to defend against phishing attacks that abuse Remote Desktop connection (.rdp) files, adding warnings and disabling risky shared resources by default. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-adds-windows-protections-for-malicious-remote-desktop-files/
Over 100 Chrome extensions in Web Store target users accounts and data
More than 100 malicious extensions in the official Chrome Web Store are attempting to steal Google OAuth2 Bearer tokens, deploy backdoors, and carry out ad fraud. [...]
https://www.bleepingcomputer.com/news/security/over-100-chrome-extensions-in-web-store-target-users-accounts-and-data/
McGraw-Hill confirms data breach following extortion threat
Education company McGraw-Hill has confirmed in a statement to BleepingComputer that hackers exploited a Salesforce misconfiguration and accessed its internal data. [...]
https://www.bleepingcomputer.com/news/security/mcgraw-hill-confirms-data-breach-following-extortion-threat/
Microsoft April 2026 Patch Tuesday fixes 167 flaws, 2 zero-days
Today is Microsoft's April 2026 Patch Tuesday with security updates for 167 flaws, including 2 zero-day vulnerabilities. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-april-2026-patch-tuesday-fixes-167-flaws-2-zero-days/
Microsoft rolls out fast-track to reinstate Windows hardware dev accounts
Microsoft has rolled out a fast-track process to help developers regain access to accounts recently suspended from its Windows Hardware Program, following widespread complaints that they were locked out without warning. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-rolls-out-fast-track-to-reinstate-windows-hardware-dev-accounts/
European Gym giant Basic-Fit data breach affects 1 million members
Dutch fitness giant Basic-Fit announced that hackers breached its systems and gained access to information belonging to a million of its customers. [...]
https://www.bleepingcomputer.com/news/security/european-gym-giant-basic-fit-data-breach-affects-1-million-members/
Critical flaw in wolfSSL library enables forged certificate use
A critical vulnerability in the wolfSSL SSL/TLS library can weaken security via improper verification of the hash algorithm or its size when checking Elliptic Curve Digital Signature Algorithm (ECDSA) signatures. [...]
https://www.bleepingcomputer.com/news/security/critical-flaw-in-wolfssl-library-enables-forged-certificate-use/
OpenAI rotates macOS certs after Axios attack hit code-signing workflow
OpenAI is rotating potentially exposed macOS code-signing certificates after a GitHub Actions workflow executed a malicious Axios package during a recent supply chain attack. [...]
https://www.bleepingcomputer.com/news/security/openai-rotates-macos-certs-after-axios-attack-hit-code-signing-workflow/
Adobe rolls out emergency fix for Acrobat, Reader zero-day flaw
Adobe has released an emergency security update for Acrobat Reader to fix a vulnerability, tracked as CVE-2026-34621, that has been exploited in zero-day attacks since at least December. [...]
https://www.bleepingcomputer.com/news/security/adobe-rolls-out-emergency-fix-for-acrobat-reader-zero-day-flaw/