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The hack of civil defense sirens in Dallas is just the latest such incident - and likely not the last, security experts say.

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. 

Hacking tools belonging to the CIA were leaked via the site Wikileaks. What have we learned from the release?

Leaked CIA Tools Linked to Known Cyber Espionage Group | Symantec

In-brief: We don’t know if the Vault 7 tools belonged to the CIA. We do know that they were used by a group Symantec dubbed Longhorn that possessed powerful zero day exploits, never attacked computers in the US and used code words taken from lyrics by 80s band The Police, so…

Brickerbot: and You will know It by the Trail of Linux Devices

Brickerbot: and You will know It by the Trail of Linux Devices

In-brief: new botnets, dubbed “Brickerbot” were first spotted in recent weeks conducting what Radware termed “permanent denial of service” attacks: compromising and then destroying data on vulnerable connected endpoints. 

As the Chinese President meets at Mar a Lago with President Trump, reports of more Chinese hacking of the US and its allies has surfaced in two reports.

As Trump and Xi Meet, Reports of China-Sponsored Hacks Flare | Digital Guardian

In-brief: On the eve of a high-profile meeting between China’s President Xi Jinping and U.S. President Donald Trump, new reports underscore the continued scourge of Chinese spying on- and theft from the U.S. and its allies. (Editor’s note: this post is excerpted from one that appeared on Digital Guardian’s blog.)

A visual representation of the sites supporting "counter narratives" and other conspiracy theories online. (Image courtesy of University of Washington.)

Podcast: Facebook Makes a Stand. But can Fake News be stopped?

In-brief: Facebook on Thursday unveiled a new initiative to stamp out disinformation and ‘fake news,’ but University of Washington researcher Kate Starbird, who is studying online ‘counter narratives’ says that conspiracy theories and ‘truthers’ may be here to stay.