Bank Info Security
1 year, 7 months ago
Helldown Ransomware Group Tied to Zyxel's Firewall Exploits
Firewall Vendor Warns Attackers Using Valid Credentials They Previously StoleAttackers wielding an emerging strain of ransomware called Helldown have been gaining a foothold in victims' networks by exploiting a previously unknown flaw in their Zyxel firewalls, security researchers warn. Zyxel has warned attackers may be using valid credentials they previously stole.