Calif — Cyber Attacks, Breaches & Threat Activity

Threat entity extracted from intelligence sources

Frequency
4
occurrences
First Seen
April 1, 2026
Last Seen
May 15, 2026

Calif is a organization tracked across 2 threat clusters and 4 intelligence report mentions on ThreatCluster. First observed April 1, 2026; most recent activity May 15, 2026.

Related Threat Clusters

  • AI-Driven Discovery of RCE Vulnerabilities in Vim and GNU Emacs

    Researcher Hung Nguyen from Calif used Anthropic’s Claude Code AI to identify zero-day remote code execution (RCE) vulnerabilities in Vim and GNU Emacs. The vulnerabilities allow arbitrary command execution simply by…

    4 articles · Updated March 31, 2026
  • AI-Driven Exploit Bypasses Apple's M5 Security in Days

    Researchers from Calif, a Palo Alto-based cybersecurity startup, successfully exploited Apple's Memory Integrity Enforcement (MIE) on the M5 chip within a week using Anthropic's AI model, Claude Mythos. The exploit…

    28 articles · Updated May 14, 2026

Recent Intelligence Reports

  • Security researchers discover flaw in Apple's Mac security using Mythos: WSJ — Ground.News · May 15, 2026
  • Anthropic's Mythos is already finding security flaws in Apple software — Mashable · May 15, 2026
  • Mythos pops Job's Mob's security balloon — Fudzilla · May 15, 2026
  • Vim and GNU Emacs: Claude Code helpfully found zero — Csoonline · April 1, 2026

Related Entities

Privilege Escalation Sql Injection Zero-day Exploit Anthropic Apple GNU Emacs Maintainers Job’s Mob Vim Maintainers CVE-2026-34714 T1068 - Exploitation for Privilege Escalation T1203 - Exploitation for Client Execution Claude Mythos

CVSS v3.1 Breakdown