RansomwareIDC Frontier says customer data in four zones of its IDCF Cloud East Japan Region 1 will be difficult to recover after a ransomware attack that began on 7 October. Customers should restore from their own backups. 495 businesses and local governments are affected.
OCTOBER 10, 2026
VulnerabilitiesAtlassian disclosed a critical file-read flaw in eight self-hosted products on Monday. On Tuesday a research firm explained how it turns into Jira administrator access in some setups, and honeypots saw attacks within two hours.
OCTOBER 7, 2026
Threat IntelligenceThe FBI and Secret Service say the FortiBleed campaign is still running, and that some victims may be locked out of their own firewalls. The advisory lists the account names attackers leave behind.
OCTOBER 7, 2026
VulnerabilitiesFederal agencies had until 30 September to put Citrix's fix on their NetScaler gateways. By Friday the fixed build was crashing under a new attack. Citrix has now patched its third exploited NetScaler zero-day in a week, and CISA wants it in by Wednesday, with a forensic check, for a flaw Citrix describes as a denial-of-service bug.
OCTOBER 6, 2026