In-brief: The April 7th hijacking of more than 100 civil defense sirens in Dallas was dismissed as an “old school” hack that relied copycat radio tones to set off a cacophony that lasted for nearly two hours. But was it? Security researcher Mark Loveless (aka “Simple Nomad”) has his doubts about the official explanation. In this latest Security Ledger podcast, he talks to Editor in Chief Paul Roberts about what might have really gone down in Dallas.
Hardware
Update: FDA says St. Jude Medical knew about Device Flaws 2 Years Before Muddy Waters Report
In-brief: In a damning report, the FDA said that St. Jude Medical* knew about serious security flaws in its implantable medical devices as early as 2014, but failed to address them with software updates or other mitigations, or by replacing those devices. (Editor’s note: updated to include a statement from Abbott and comment from Dr. Kevin Fu. – PFR April 14, 2017)
Samsung’s Tizen Operating System: a Hacker’s Dream | Motherboard
In-brief: Motherboard reports on an audit of Samsung’s Tizen mobile and IoT operating system that suggests it contains numerous, serious security holes.
Hack of Dallas Sirens Not the First or Last on Emergency Systems, Experts Warn
In-brief: The weekend hack of civil defense sirens in Dallas, Texas is similar to two incidents in Illinois in 2012. The underlying problem? Woeful security for emergency alerting and other civil defense systems in the U.S., according to security experts.
WiFi Chip Flaw in iPhone is Really Bad News for IoT
In-brief: a remotely exploitable flaw in a common hardware component used in phones by Apple, Samsung and others underscores the risk posed by software embedded in system on chip components that are found in almost every connected device, experts warn.