Bullhorn takes staffing platform offline to contain cyberattack
Staffing software company Bullhorn has disabled access to its platform to contain a cyberattack that caused a system-wide outage.
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Cyber security news
Stay up to date with the latest cyber security news and threats from around the world.
October 19, 2026
OpenCode hack exposes API keys amid AI distillation attacks
The open-source AI coding project OpenCode has notified a small number of users that API keys they used with external providers were exposed in a security breach.
Microsoft fixes game, app crashes caused by recent Windows update
Microsoft has resolved a bug that caused games and apps using AC-3 (Dolby Digital) audio decoding to crash after installing the September 2026 Windows 11 preview update (KB5124010).
Inside the Underground Market for Know Your Client Services
Cybercriminals are selling forged identity documents, deepfake videos, and live verification services to help buyers bypass Know Your Client (KYC) checks. Flare examines how these underground services operate...
F5 releases out-of-band patches for critical NGINX vulnerabilities
F5 has released out-of-band security patches to address multiple NGINX web server flaws, including three critical-severity vulnerabilities that can let attackers execute code on vulnerable systems.
Microsoft fixes classic Outlook bug that hid Copilot buttons
Microsoft has fixed a known issue that removed the Copilot Chat and Copilot buttons in the classic Outlook desktop mail client for some Windows users.
Microsoft: October Windows Server updates break Exchange sign-in, mail flow
Microsoft has confirmed that this month's Windows Server security updates are causing OWA sign-in and mail delivery issues on some Exchange Server systems.
October 18, 2026
Hackers exploit SiteGuard WAF flaw to run commands as SYSTEM, root
Attackers are targeting an OS command injection vulnerability in SiteGuard Server Edition that lets them execute commands as root or SYSTEM on affected servers.
October 17, 2026
Hackers breach Microsoft 365 tenants via ConnectWise supply-chain attack
ConnectWise has shut down customer access to its Cloud Backup service (formerly SkyKick Cloud Backup) after hackers accessed application identities and compromised Microsoft 365 tenants.
Drupal patches critical RCE flaws, warns exploits may emerge soon
Drupal has patched two critical vulnerabilities that could allow attackers to execute code remotely on websites running any supported version of the content management system.
October 16, 2026
Critical BlockStrap flaw lets hackers run code on Magento servers
Researchers warn that hackers could soon exploit a maximum-severity vulnerability (CVE-2026-103849) affecting Magento and Adobe Commerce, potentially allowing them to execute arbitrary PHP code on store servers.
Employees using personal ChatGPT at work? Here’s what IT admins need to do
Employees using personal ChatGPT accounts at work can expose sensitive company data, even when their organization provides an approved Enterprise workspace. NordLayer explains how IT teams can investigate...
Burger King Japan data breach exposes 11 million customer records
Burger King Japan, the Japanese subsidiary of global fast-food giant Burger King, disclosed a major data breach after attackers accessed a server containing 11.18 million customer records.
Microsoft: October Windows update may break Smart App Control
Microsoft says some users may have trouble turning on Smart App Control after installing this month's KB5127648 Windows 11 security update.
BeyondTrust patches zero-day exploited in attacks since August
BeyondTrust warned customers on Thursday to patch a critical flaw in its Remote Support (RS) that has been exploited in zero-day attacks since late August.
October 15, 2026
Hackers exploit Collabora RCE flaw to backdoor Nextcloud servers
Threat actors are exploiting a critical command execution flaw, now tracked as CVE-2026-110447, in the Collabora Online - Built-in CODE Server app (richdocumentscode) for Nextcloud.
Android gets AI defenses against messaging scams, fake calls
Google announced new AI-powered defenses against scam messages and call-forwarding abuse on Android, currently rolling out to eligible devices.
Hackers hijack D-Link, Ubiquiti devices to resell your stolen bandwidth
A proxyjacking campaign has impacted devices in 34 countries, monetizing victims' internet connections through a commercial residential proxy network.
Fake Arch Linux packages push malware with root privileges
A threat actor uploaded malicious packages to the Arch User Repository (AUR) that impersonated two popular helper tools, yay and paru.
Is AI pentesting as good as a human pentester?
AI pentesting can uncover vulnerabilities missed by human testers, but it also has limitations in consistency, risk assessment, and understanding business context. Intruder compares the strengths and weaknesses...
Microsoft: Windows Server 2022 reached end of mainstream support
Microsoft announced that Windows Server 2022 has reached the end of mainstream support and will remain in extended support until October 2031.
Police arrests 95 suspects in international CSAM crackdown action
Law enforcement authorities from 17 countries in Latin America and Europe have arrested 95 suspects in an INTERPOL-coordinated operation targeting the distribution of child sexual abuse material (CSAM)...
Microsoft fixes bug causing Windows black screens, Explorer crashes
Microsoft has resolved a known issue that was causing black screens, desktop loading issues, and Explorer crashes after installing Windows 11 updates released since August.
UK Legal Aid Agency: Hackers stole records dating back to 1978
The Legal Aid Agency (LAA), an executive agency of the UK's Ministry of Justice that manages the country's Public Defender Service, says attackers who breached its IT systems...