Executive summary
The Counter Threat Unit™ (CTU) research team analyzes security threats to help organizations protect their systems. Based on observations in March and April,...
Jul 05, 2025Ravie LakshmananNational Security / Privacy
Taiwan's National Security Bureau (NSB) has warned that China-developed applications like RedNote (aka Xiaohongshu), Weibo, TikTok, WeChat,...
The bot-fighting is a non-stop battle. In this week's video, I discuss how we're tweaking Cloudflare Turnstile and combining more attributes around how bot-like...
On June 25, 2025, French authorities announced that four members of the ShinyHunters (also known as ShinyCorp) cybercriminal group were arrested in multiple French...
Jun 28, 2025Ravie LakshmananMalware / Cyber Warfare
The threat actor behind the GIFTEDCROOK malware has made significant updates to turn the malicious program from a...
Cyberattackers often view small and medium-sized businesses (SMBs) as easier targets, assuming their security measures are less robust than those of larger enterprises. In...
We have collected SSH and telnet honeypot data in various forms for about 10 years. Yesterday's diaries, and looking at some new usernames attempted...
