Rumors started swirling last week about a critical security hole in Palo Alto ... or via an internal network. The manufacturer did eventually admit that the firewall-busting vulnerability existed ...

Eclypsium warns Palo Alto Networks firewalls are impacted by BIOS and bootloader flaws, but the vendor says users should not ...

Several sources report the firewall in macOS Sequoia can sometimes leak data after an update. Here's how to test and fix it.

The term firewall has seen limited use since the late 1980s to describe a device to block unwanted network traffic while allowing other traffic to pass. The first published description of a "modern" ...