Hackers Find Security Hole in Electronic Freeway Billboards

Earlier this week, the Homeland Security Department notified transportation operators that there was a potential security gap in electronic freeway billboards that could allow hackers to post phony warnings to drivers.

Officials notified Daktronics Vanguard of the software glitch to their electronic billboards and that a “proof of concept” method to abuse the flaw was released. Until a fix has been found, transportation operators are recommended to review sign messaging, update their passwords and secure communication paths to the signs. Hackers have been able to hijack signs in California to say “Godzilla Attack – Turn Back” and in North Carolina, signs were changed to display “Hack by Sun Hacker.”

Read more about the potential security breach of electronic freeway billboards.