Cyber
Microsoft investigates Office Apps, Teams file access issues
Microsoft says an ongoing incident is preventing users of its Teams collaboration platform and Office for the web cloud-based productivity suite from opening files. [...]
Race Against Time: Why Faster Vulnerability Alerts Matter
Attackers are exploiting vulnerabilities faster than many organizations can identify and patch them. SecAlerts explains why faster vulnerability alerts can help reduce exposure and improve response times. [...]
Critical Windows Netlogon RCE flaw now exploited in attacks
The Centre for Cybersecurity Belgium (CCB), the country's national authority for cybersecurity, warned on Friday that threat actors are now exploiting a recently patched critical Windows Netlogon vulnerability in attacks. [...]
Webinar tomorrow: From alert to resolution in network incident response
Network incidents are often detected quickly, but investigations and coordination can delay resolution. Join our webinar tomorrow to learn how automation and AI-assisted workflows can help IT teams accelerate incident response. [...]
Microsoft fixes outage affecting MFA setup, MySignIn service
Microsoft is working to address an ongoing incident preventing customers from setting up multi-factor authentication (MFA) or accessing the My Sign-Ins platform. [...]
Microsoft fixes KB5089549 Windows security update install issues
Microsoft has resolved a known issue causing installation failures and 0x800f0922 errors when deploying the May 2026 Windows 11 security update (KB5089549). [...]
WP Maps Pro bug exploited to create admin accounts on WordPress sites
Hackers are targeting WordPress websites running a vulnerable version of the WP Maps Pro plugin, which allows creating rogue administrator accounts without authentication. [...]
Palo Alto GlobalProtect VPN auth bypass flaw now exploited in attacks
Palo Alto Networks is warning that hackers are now exploiting a PAN-OS GlobalProtect authentication bypass flaw, tracked as CVE-2026-0257, in attacks attempting to breach corporate networks. [...]
Netherlands Seizes 800 Servers, Arrests 2 for Aiding Cyberattacks
Authorities in the Netherlands have arrested the co-owners of two related Internet hosting companies for operating IT infrastructure used by Russia to carry out cyberattacks, influence operations and disinformation campaigns inside the European Union. The two men were the focus o
Lawmakers Demand Answers as CISA Tries to Contain Data Leak
Lawmakers in both houses of Congress are demanding answers from the U.S. Cybersecurity & Infrastructure Security Agency (CISA) after KrebsOnSecurity reported this week that a CISA contractor intentionally published AWS GovCloud keys and a vast trove of other agency secrets on a p
Alleged Kimwolf Botmaster ‘Dort’ Arrested, Charged in U.S. and Canada
Canadian authorities on Wednesday arrested a 23-year-old Ottawa man on suspicion of building and operating Kimwolf, a fast spreading Internet-of-Things botnet that enslaved millions of devices for use in a series of massive distributed denial-of-service (DDoS) attacks over the pa
CISA Admin Leaked AWS GovCloud Keys on Github
Until this past weekend, a contractor for the Cybersecurity & Infrastructure Security Agency (CISA) maintained a public GitHub repository that exposed credentials to several highly privileged AWS GovCloud accounts and a large number of internal CISA systems. Security experts said
Patch Tuesday, May 2026 Edition
Artificial intelligence platforms may be just as susceptible to social engineering as human beings, but they are proving remarkably good at finding security vulnerabilities in human-made computer code. That reality is on full display this month with some of the more widely-used s
Canvas Breach Disrupts Schools & Colleges Nationwide
An ongoing data extortion attack targeting the widely-used education technology platform Canvas disrupted classes and coursework at school districts and universities across the United States today, after a cybercrime group defaced the service's login page with a ransom demand tha
Anti-DDoS Firm Heaped Attacks on Brazilian ISPs
A Brazilian tech firm that specializes in protecting networks from distributed denial-of-service (DDoS) attacks has been enabling a botnet responsible for an extended campaign of massive DDoS attacks against other network operators in Brazil, KrebsOnSecurity has learned. The firm
‘Scattered Spider’ Member ‘Tylerb’ Pleads Guilty
A 24-year-old British national and senior member of the cybercrime group "Scattered Spider" has pleaded guilty to wire fraud conspiracy and aggravated identity theft. Tyler Robert Buchanan admitted his role in a series of text-message phishing attacks in the summer of 2022 that a