- Associated Press - Wednesday, August 3, 2016

SIOUX CITY, Iowa (AP) - The Woodbury County Board of Supervisors has approved an investigation into a cyberattack that compromised about 3,700 county files last month.

The board voted unanimously Tuesday to work with Cleveland-based law firm BakerHostetler, which conducts data security incident response investigations, the Sioux City Journal (https://bit.ly/2b34lNT ) reported.

The source of the cyberattack July 20 was ransomware that was delivered through an email, said Ed Gilliland, human resources director. Ransomware is software that locks files on a computer and demands a payment for their release.

Nothing was lost because the Woodbury County Information Communication Committee backs up files every night, Gilliland said. Emails requesting ransom for the files have been deleted.

“From the preliminary work with them and looking at the type of ransomware, there’s an over 99 percent chance that there’s no issues at all,” Gilliland said. “But it’s a really good, prudent move.”

The incident was the first ransomware attack on the county’s system, according to John Malloy, the city and county’s information technologies director. He said staff is highly confident that they know which files were hit by the attack.

The investigation will help determine which specific files were targeted and whether there will be any long-term consequences, Gilliland said. The investigation will be paid for by the county’s cyber liability insurance, which he said has coverage up to $3 million and a $10,000 deductible.

“It will cover everything, with a minimal amount of financial involvement,” Gilliland said. “Worst case, we will pay $10,000 if things didn’t go as we thought.”


Information from: Sioux City Journal, https://www.siouxcityjournal.com

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