OpenAI's ChatGPT experienced a major service outage impacting the web version, mobile app, and new Mac app on June 4, 2024. The outage began around 2:30am ET and lasted over five hours, affecting millions of users who rely on the AI for various tasks. OpenAI acknowledged the issue and implemented a fix, which is being monitored to ensure stability. While the exact cause remains unclear, the situation recalls previous service disruptions. Users are gradually regaining access, though some still report issues.

ChatGPT is still down for many, but OpenAI says it's now rolling out a fix TechRadar

Microsoft has highlighted the urgent need to secure internet-exposed operational technology (OT) devices following a rise in cyber attacks since late 2023. Such attacks can manipulate critical parameters in industrial processes, potentially causing malfunctions and outages. OT systems' vulnerabilities are often due to weak passwords and outdated software, making them easy targets. Recent advisories from Rockwell Automation and the U.S. Cybersecurity and Infrastructure Security Agency (CISA) stress the heightened risk amidst geopolitical tensions, with pro-Russia hacktivists targeting control systems in North America and Europe. To mitigate these risks, organizations are urged to enhance their OT security hygiene, reduce attack surfaces, and implement zero trust practices. Additionally, Claroty has reported on Fuxnet, a new malware used to attack Russian infrastructure, highlighting the evolving threat landscape for OT systems.

Microsoft Warns of Surge in Cyber Attacks Targeting Internet-Exposed OT Devices thehackernews

Ticketmaster recently reported a data breach affecting over 500 million users, attributing the issue to security weaknesses in Snowflake’s cloud database environment. Snowflake denies responsibility, suggesting that the breach resulted from credential stuffing attacks rather than vulnerabilities in their system. Third-party cybersecurity firms CrowdStrike and Mandiant supported Snowflake’s preliminary findings, indicating that the breach likely involved single-factor authentication and credentials obtained from previous malware incidents. While a compromised demo account was found, it did not contain or provide access to sensitive data, and it was not protected by multi-factor authentication.

Snowflake says it wasn't to blame for Ticketmaster breach — and its security pals agree TechRadar

In response to recent zero-day vulnerabilities and security threats, Google has mandated urgent updates for its Chrome browser. All users, including federal employees, are required to apply updates by June 6 to protect against critical exploits, such as memory issues and vulnerabilities in the Chromium Visuals and V8 Engine. U.S. government agencies have already updated their systems, with additional deadlines looming for other known exploits. Furthermore, users are cautioned against the potential risks of cookie theft through malicious plugins and the importance of verifying the authenticity of installed extensions. Despite concerns over ad blockers affected by the transition from Manifest V2 to V3, the security updates remain essential. If a system no longer supports Chrome updates, discontinuation of use is advised to avoid exploitation.

Google Chrome Deadline—72 Hours To Update Or Delete Your Browser Forbes