When a PBX gets exploited, attackers don't steal documents—they steal . One compromised extension can cost an organization tens of thousands of dollars in toll fraud within a single weekend.
In the world of cybersecurity, we spend a lot of time worrying about firewalls, endpoints, and cloud permissions. But there is a 40-year-old piece of critical infrastructure still lurking in most office closets: the . pbx exploit
Modern PBXs (especially VoIP-based systems like Asterisk, 3CX, Cisco Call Manager, and Avaya) are essentially Linux servers running telephony software. And like any server, they can be hacked. When a PBX gets exploited, attackers don't steal