SiRcom SMART Alert (SiSA)

RISK EVALUATION Successful exploitation of this vulnerability could enable an attacker to remotely activate or manipulate emergency sirens. 2. RECOMMENDED PRACTICES CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability, such as: Minimize network...

Hijacking Emergency Sirens

Turns out it's easy to hijack emergency sirens with a radio transmitter...

Here's How Hacker Activated All Dallas Emergency Sirens On Friday Night

Last weekend when outdoor emergency sirens in Dallas cried loudly for over 90 minutes, many researchers concluded that some hackers hijacked the alarm system by exploiting an issue in a vulnerable computer network. But it turns out that the hackers did not breach Dallas' emergency services comput...

Hacker Caused Panic in Dallas by Turning ON Every Emergency Siren at Once

We have seen hackers flooding 911 emergency service with rogue requests to knock the service offline for an entire state, but some hacking incidents are worse than others. One such incident took place in Dallas on Friday night when hacker triggered a network of 156 emergency warning sirens for...