Threat Intelligence Briefing

Threat volume decreased significantly by 86.2% compared to the previous period, representing a major deviation from the high-activity baseline. This sharp decline suggests a potential lull following coordinated activity or a shift in attacker infrastructure. Nordic countries show minimal activity, with Sweden (11 events) and Norway (8 events) leading regionally, primarily exhibiting botnet and attack traffic consistent with their typical low-volume baselines. The top threat categories—attacks, malware C2, and botnet—remain consistent, indicating no fundamental shift in threat actor objectives despite the volume change. Focus remains on SSH brute-force attacks from concentrated IP ranges. Defender actions should prioritize maintaining existing blocking rules on known malicious ASNs and CIDR ranges associated with SSH brute-force attacks, particularly those originating from Eastern Europe and the US. The reduced volume does not justify lowering defenses; instead, use this period to validate and refine detection rules targeting the persistent botnet and C2 infrastructure that remains active.