Kansas schools already struggling to administer math and reading assessment tests have another problem now.
State education officials say unknown people launched cyber attacks against the tests.
The attackers slowed down or disabled networks used to administer the tests by overwhelming them with traffic, rather than hacking into them.
The attacks started Thursday and briefly stopped on Sunday.
Testing ran smoothly on Monday but the cyber attacks resumed on Tuesday.
A Wisconsin truck driver who joined a cyberattack on Koch Industries was sentenced Monday to two years' probation... and ordered to pay $183,000 in restitution.
Eric Rosol of Black Creek, Wis., was sentenced Monday in U.S. District Court for taking part in the cyber-attack on Koch Industries.
He pleaded guilty earlier to a misdemeanor count of accessing a protected computer.
The parties agreed that the direct loss from the attack was less than $5,000.
The Wisconsin truck driver who joined a cyberattack on Wichita's Koch Industries will be sentenced Monday in U.S. District Court in Wichita.
Eric Rosol is charged with misdemeanor count of accessing a protected computer.
Prosecutors agreed in Rosol's plea deal to recommend a sentence at the low end of federal guidelines.
Koch's website was offline for about 15 minutes on the day of the attack in 2011.
The attack was organized by the hacking group Anonymous.
The parties agreed the direct loss to Koch was less than $5,000.
A Turkish group calling itself the Agent Hacker Group has taken credit for hacking one of the City of Wichita's websites.
Thirty-seven-year-old Eric J. Rosol of Wisconsin is due back in federal court Wednesday.Rosol is accused of joining a cyberattack on Koch Industries in Wichita.Prosecutors allege that, back in February of 2011, the hacking group Anonymous asked conspirators to use a tool that could send a high volume of repeated requests to several Koch Industries websites.Many people complied, and the company's main website crashed.Rosol was indicted in March on one count each of damaging a computer and conspiracy to damage a computer.