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Flaw in Emergency Alert Systems Could Allow Hackers to Trigger False Alarms

Flaw in Emergency Alert Systems Could Allow Hackers to Trigger False Alarms

Apr 10, 2018
A serious vulnerability has been exposed in "emergency alert systems" that could be exploited remotely via radio frequencies to activate all the sirens, allowing hackers to trigger false alarms. The emergency alert sirens are used worldwide to alert citizens about natural disasters, man-made disasters, and emergency situations, such as dangerous weather conditions, severe storms, tornadoes and terrorist attacks. False alarms can create panic and chaos across the city, as witnessed in Dallas last year , when 156 emergency sirens were turned on for about two hours, waking up residents and sparking fears of a disaster. Dubbed " SirenJack Attack ," the vulnerability discovered by a researcher at Bastille security firm affects warning sirens manufactured by Boston-based ATI Systems, which are being used across major towns and cities, as well as Universities, military facilities, and industrial sites. According to Balint Seeber, director of threat research at
Here's How Hacker Activated All Dallas Emergency Sirens On Friday Night

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

Apr 13, 2017
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 computer systems to trigger the city's outdoor sirens for tornado warnings and other emergencies, rather they did it entirely on radio. According to a statement issued on Monday, Dallas City Manager T.C. Broadnax clarified the cause of the last Friday's chaos, saying the "hack" used a radio signal that spoofed the system used to control the siren network centrally. "I don't want someone to understand how it was done so that they could try to do it again," Broadnax said without going much into details. "It was not a system software issue; it was a radio issue." First installed in 2007, the Dallas outdoor emergency warning system powers 156 sire
Webinar: Learn How to Stop Hackers from Exploiting Hidden Identity Weaknesses

Webinar: Learn How to Stop Hackers from Exploiting Hidden Identity Weaknesses

Apr 10, 2024Webinar / Identity Security
We all know passwords and firewalls are important, but what about the invisible threats lurking beneath the surface of your systems? Identity Threat Exposures (ITEs) are like secret tunnels for hackers – they make your security way more vulnerable than you think. Think of it like this: misconfigurations, forgotten accounts, and old settings are like cracks in your digital fortress walls. Hackers exploit these weaknesses to steal login information, gain sneaky access, and move around your systems unnoticed, whether they're in the cloud or on-site. This upcoming webinar,  " Today's Top 4 Identity Security Threat Exposures: Are You Vulnerable? "  isn't just for tech experts—it's about protecting your business.  We'll use real-world examples and insights from Silverfort's latest report to show you the hidden dangers of ITEs. You'll learn about: The Top 4 Identity Threats You Might Be Overlooking:  We'll name them and explain why they're
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