📰 DAILY THREAT BRIEFING
Friday, May 29, 2026
12 News Items
THN · BleepingComputer · Krebs · Dark Reading · SANS

📰 Cybersecurity News Headlines

Top stories from leading cybersecurity publications as of May 29, 2026.

  1. Name That Toon Contest
    — Dark Reading
  2. Anthropic confirms Claude Mythos-class models will roll out to the public
    — Bleeping Computer

    Anthropic has confirmed that it plans to bring Mythos-class models to the general public after delaying the rollout due to security risks to…
  3. GreyVibe hackers use ChatGPT, Gemini to power cyberattacks
    — Bleeping Computer

    A likely Russian threat cluster tracked as GreyVibe has been targeting Ukrainian entities with AI-generated lures and a rich set of custom m…
  4. BTMOB Android malware service generates custom phishing payloads
    — Bleeping Computer

    An Android remote access trojan named BTMOB is offered to cybercriminals with a builder interface for generating malware payloads tailored t…
  5. Analysis of a Year of Files Uploaded to DShield Sensors, (Wed, May 27th)
    — SANS ISC

    Using the data collected over the past year and using Kibana these two ES|QL query to summarize the data, this shows the list of the most up…
  6. FBI warns of fake FIFA websites running World Cup fraud schemes
    — Bleeping Computer

    The FBI is warning of fake websites impersonating FIFA ahead of the 2026 World Cup, to steal personal and financial information, sell fake t…
  7. Dutch Raid Fails to Dent Russian Bulletproof Host
    — Dark Reading

    Dutch law enforcement seized 800 servers and arrested two operators of THE.Hosting but left the hosting provider's core IP address space int…
  8. Critical Gogs RCE Vulnerability Lets Any Authenticated User Execute Arbitrary Code
    — The Hacker News

    A critical security vulnerability has been disclosed in Gogs, a popular open-source self-hosted Git service, that allows an authenticated us…
  9. Agentic AI Isn't Risky; the Way Orgs Deploy It Is
    — Dark Reading

    AI agents aren't black boxes — they're models interacting with software tools. The risk lies in their overlap.
  10. Threat Actors Exploit Critical FortiClient EMS Flaw to Deploy Credential Stealer
    — The Hacker News

    Threat actors are continuing to exploit a critical, now-patched security flaw impacting FortiClient Endpoint Management Server (EMS) deploym…
  11. Microsoft Slams Public Zero-Day Disclosures Amid GitHub Researcher Account Removal
    — The Hacker News

    Microsoft has come out strongly in favor of Coordinated Vulnerability Disclosure (CVD), urging the research community to share their finding…
  12. ThreatsDay Bulletin: Claude Security Plugin, Azure Priv-Esc, Kali365 MFA Bypass, FIFA Scams +15 More
    — The Hacker News

    Every time you think the industry has finally stopped doing some reckless, low-effort crap, somebody spins up a fresh box full of sketchy lo…

Generated by HiveNet.ai Threat Intelligence Platform · May 29, 2026 · Sources: The Hacker News, Bleeping Computer, Krebs on Security, Dark Reading, SANS ISC