Watch Floor
State-backedNorth Korea

Ruby Sleet

Also known as CERIUM

0mentions, 7 days
0mentions, 30 days
nonelast mentioned

Ruby Sleet is a threat actor linked to North Korea's Ministry of State Security. Cerium has been involved in spear-phishing campaigns, compromising devices, and conducting cyberattacks alongside other North Korean threat actors. They have also targeted companies involved in COVID-19 research and vaccine development.

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

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.