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Cyberattack

A collection of 181 issues

Twelve Months of Disruption: How Cyberattacks Tested U.S. Emergency Response

Guest contribution by Joseph Topping, security researcher. The views expressed are solely the author’s and do not represent any employer, agency, or organization. He writes in a personal capacity using only publicly available information. On the 20th anniversary of Hurricane Katrina, I keep coming back to a simple question:

Michigan’s South Lyon Community School District closes all schools after cybersecurity incident

South Lyon Community School District said a “security incident” caused a network outage that shut parts of its systems, closing schools Monday, Sept. 15, 2025, and again Tuesday, Sept. 16. The district, based in South Lyon, Michigan, reported the issue began Sunday, Sept. 14, and said portions of the network

Cyberattack targets Waxhaw, N.C.; some services impacted

Early on Sept. 12, 2025, the Town of Waxhaw discovered irregularities in its government IT network and brought in North Carolina’s Joint Cybersecurity Task Force to investigate and secure affected servers. Officials said the cybercriminal activity, detected in Waxhaw, North Carolina, was intended to disrupt systems; some town servers

Uvalde, Texas, school district closes all campuses after ransomware attack

Uvalde Consolidated Independent School District said ransomware was detected on district servers and will close all campuses Sept. 15-18 while investigators assess damage and restore systems. The district, in Uvalde, Texas, reported the incident to the FBI and its cyber insurance team and began forensic analysis to determine whether any

Ransomware disrupts Orleans Parish Sheriff’s Office in Louisiana

Early Thursday, Sept. 4, 2025, the Orleans Parish Sheriff’s Office reported a ransomware attack that began around 4:30 a.m. and was detected at 8 a.m., when employees could not access their computers, NOLA.com reported. OPSO, based in New Orleans, Louisiana, said the jail’s computer

Bridgestone says ‘limited’ cyber incident hit some U.S. plants; operations continue

Bridgestone Americas said it is investigating a “limited cyber incident” affecting some U.S. manufacturing facilities, first reported Sept. 1, 2025. The company said it contained the activity early, launched a forensic review and does not believe customer data was affected. Employees at affected sites were offered preventive maintenance work

Mecklenburg County, Va., schools on ‘technology lockdown’ after cyber incident

Mecklenburg County Public Schools notified families Sept. 3 that a cybersecurity incident forced the division to impose a “technology lockdown,” taking systems offline while outside experts and law enforcement investigate. According to reporting by SoVaNOW/The Mecklenburg Sun, Superintendent Scott Worner said classes would continue and physical safety systems remain

Orangeville Township, Michigan says ransomware probe found no data impact

Orangeville Township said a ransomware incident on July 26, 2025 disrupted its network, but a completed forensic review found no evidence any township data—including personal information—was accessed or exposed. The local government in Barry County, Michigan said it engaged forensic specialists, restored systems securely, and notified law enforcement.

Cyberattack disrupts New Mexico Game & Fish online payments

The New Mexico Department of Game and Fish stated that automated “bot” activity prompted it to shut down its online credit/debit card processing for hunting and fishing licenses and permits. In Santa Fe, New Mexico, the agency posted at 4:58 p.m. MDT on August 29, 2025, that

San Antonio-based Wytec takes site offline after defacement

Wytec International, Inc. stated that it discovered on August 25, 2025, that a bad actor had published a defaced version of its public website at wytecintl.com. After restoring from backups, the site was defaced again, so the company took it offline and posted a temporary page while it reviews