Microsoft has confirmed that a staggering three zero-day cyberattacks are underway against Windows users—here’s what you need to know.

Fortinet firewalls running firmware versions 7.0.14-7.0.16 targeted by attackers using zero-day vulnerabilities.

Fortinet releases advisory urging users to apply available patch Security researchers warn the bug is being exploited en-masse CISA added the flaw to its KEV catalog A zero-day vulnerability in firewalls built by Fortinet is being exploited en-masse to breach corporate networks and possibly deploy ransomware,

Security researchers say "tens" of Fortinet devices have been compromised so far as part of the weeks-long hacking campaign.

The advisory from the cybersecurity company follows a report from security researchers who observed exploits in the wild in early December as part of a widespread campaign.