ProtonMail is a technology platform tracked across 4 threat clusters and 4 intelligence report mentions on ThreatCluster. First observed March 31, 2026; most recent activity July 24, 2026.
Since July 2025, Russian state-backed hackers, known as Laundry Bear, have exploited a zero-click vulnerability (CVE-2025-66376) in the Zimbra Collaboration Suite to infiltrate Western government and commercial…
The FBI has issued a warning regarding the Kali365 phishing kit, which is actively stealing Microsoft OAuth tokens and bypassing multi-factor authentication (MFA) protocols. First identified in April 2026, Kali365 is…
The Google Threat Intelligence Group (GTIG) reported that a financially motivated cybercriminal group, UNC6783, is targeting business process outsourcing (BPO) companies to infiltrate high-value organizations across…
A new supply chain attack, dubbed 'Mini Shai-Hulud', has compromised multiple npm packages related to SAP's Cloud Application Programming Model (CAP). This attack involves injecting malicious preinstall scripts into…