If a roadside safety sign seems to be declaring an odd message, chances are it's been hacked, the Homeland Security Department said Wednesday.
That's due to a security hole in one model of the frequently used electronic billboards. According to the DHS alert, the Daktronics Vanguard system uses a hard-coded password, a universal login linked to an administrator account and built into the program's code.
The flaw has apparently become compromised. The alert warned of a vulnerability "that could allow unauthorized access to the highway sign."
THe DHS cyberteam says it is working with Daktronics to fix the problem and is recommending better network protections for the system.
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