Topic

APT: news, advisories and analysis

4 articlesUpdated 21 Oct 2026

CyberSecureToday covers APT across 4 articles published between 9 Sep 2026 and 21 Oct 2026. The coverage includes 3 incident or breach reports and 1 analysis or guidance piece.

Stories on APT most often intersect with SEC Form 8-K, Data Breach and Supply Chain Security, with Technology, Cloud & SaaS the most affected sector. The most recent story, “Operation Cyber Guardian: CSA and IMDA Expose UNC3886 Stealth Espionage Campaign Targeting Singapore Telcos”, was published 21 Oct 2026. Every article is listed below, newest first, with the affected products, severity and remediation guidance in each piece.

Latest coverage

Cyber AttackCloud & SaaS
Operation Cyber Guardian: CSA and IMDA Expose UNC3886 Stealth Espionage Campaign Targeting Singapore Telcos
Singapore's CSA and IMDA disclose Operation Cyber Guardian, evicting APT group UNC3886 after a coordinated cyber-espionage infiltration targeting national telco backbones.
Daniel Okafor21 Oct 202614 min read
Cyber AttackCloud & SaaS
International Airline Reports Network Intrusion Hitting Flight Dispatch and Crew Scheduling
SEC Form 8-K filing reveals an advanced persistent threat breached the corporate IT network of a major commercial airline, accessing flight dispatch and crew scheduling platforms.
Priya Raman9 Oct 20268 min read
Cyber AttackCloud & SaaS
Aerospace Defense Contractor Reports CAD Blueprint Theft via Compromised Engineering Portal
SEC Form 8-K filing reveals an advanced persistent threat exfiltrated sensitive aerospace engineering CAD designs and satellite propulsion telemetry.
Priya Raman9 Oct 20268 min read
ResearchEducation & Academia
Iran-Linked Screening Serpens Shipped Six RAT Builds in Ten Weeks
Unit 42 documented six new RAT variants from Iran-nexus Screening Serpens between February and April 2026. The hashes rotate; the AppDomainManager config file does not.
Mei-Lin Chen9 Sep 20266 min read

Latest coverage

Operation Cyber Guardian: CSA and IMDA Expose UNC3886 Stealth Espionage Campaign Targeting Singapore Telcos

International Airline Reports Network Intrusion Hitting Flight Dispatch and Crew Scheduling

Aerospace Defense Contractor Reports CAD Blueprint Theft via Compromised Engineering Portal

Iran-Linked Screening Serpens Shipped Six RAT Builds in Ten Weeks