ModernStealer
ModernStealer is linked to underground posts offering sensitive military, government, nuclear, and aerospace material, with connections to a Session contact identifier and a Telegram account named Sassoon Don. Analysts identified five ModernStealer listings and eight government-related listings, including references to Pakistan’s NUST and SUPARCO, as well as US defense entities. The shared identifier suggests operational overlap with other identities, but does not confirm a direct link between them. The actor exemplifies the importance of tracking durable identifiers over forum names in threat intelligence.
CVEs in recent coverage
No CVEs named alongside this actor in the last 90 days.
Recent victims
No leak-site posts on record for this group.
Recent activity
No posts or advisories have named this actor recently.
References
- https://cybersecuritynews.com/modernstealer-threat-actor/
- https://stealthmole-intelligence-hub.blogspot.com/2026/07/the-many-faces-of-modernstealer-tracing.html
From the MISP threat-actor galaxy, MITRE ATT&CK and RansomLook (CC BY 4.0). Activity is any post or advisory Watch Floor collected that names the actor or one of its aliases.