BC Security (@bcsecurity.bsky.social)

Void Blizzard shows that using simple techniques like password spraying doesn’t mean the group lacks sophistication. Their real strength lies in tailoring access and operations to each target, scaling complexity only as needed. What do you think advanced actually means? #redteam #cybersecurity

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New Russia-affiliated actor Void Blizzard targets critical sectors for espionage | Microsoft Security Blog Microsoft Threat Intelligence has discovered a cluster of worldwide cloud abuse activity conducted by a threat actor we track as Void Blizzard, who we assess with high confidence is Russia-affiliated and has been active since at least April 2024. Void Blizzard’s cyberespionage operations tend to be highly targeted at specific organizations of interest to Russia, including in government, defense, transportation, media, non-governmental organizations (NGOs), and healthcare sectors primarily in Europe and North America. https://www.microsoft.com/en-us/security/blog/2025/05/27/new-russia-affiliated-actor-void-blizzard-targets-critical-sectors-for-espionage/