Hackers made some 58,000 attempts to break into police computer systems from October to December, up 7,000 from the previous three-month period, the National Police Agency said Thursday.
By country, hacking attempts from Israel accounted for 40.4 percent of the total, followed by the United States at 20.8 percent, according to the NPA's Cyber Force unit, which was set up to monitor and combat "Net-based terrorism."
Hacking from within Japan made up 9 percent of the total, and South Korea 7.2 percent. Italy, which topped the list at 20.6 percent in the previous period, fell to sixth place at 3.8 percent.