New Star Blizzard spear-phishing campaign targets WhatsApp accounts

Star Blizzard’s new spear-phishing campaign, while novel in that it uses and targets WhatsApp for the first time, exhibits familiar spear-phishing TTPs for Star Blizzard, with the threat actor initiating email contact with their targets, to engage them, before sending Read More …

Russian threat group COLDRIVER expands its targeting of Western officials to include the use of malware

Over the years, TAG has analyzed a range of persistent threats including COLDRIVER (also known as UNC4057, Star Blizzard and Callisto), a Russian threat group focused on credential phishing activities against high profile individuals in NGOs, former intelligence and military Read More …

Russian FSB cyber actor Star Blizzard continues worldwide spear-phishing campaigns

The Russia-based actor Star Blizzard (formerly known as SEABORGIUM, also known as Callisto Group/TA446/COLDRIVER/TAG-53/BlueCharlie) continues to successfully use spear-phishing attacks against targeted organisations and individuals in the UK, and other geographical areas of interest, for information-gathering activity. The UK National Read More …

Star Blizzard increases sophistication and evasion in ongoing attacks

Microsoft Threat Intelligence continues to track and disrupt malicious activity attributed to a Russian state-sponsored actor we track as Star Blizzard (formerly SEABORGIUM, also known as COLDRIVER and Callisto Group). Star Blizzard has improved their detection evasion capabilities since 2022 Read More …