Topic

Telecommunications: news, advisories and analysis

4 articlesUpdated 21 Oct 2026

CyberSecureToday covers Telecommunications across 4 articles published between 7 Sep 2026 and 21 Oct 2026. The coverage includes 3 incident or breach reports and 1 analysis or guidance piece.

Stories on Telecommunications most often intersect with Critical Infrastructure, Singapore and CSA, with Government & Defence 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
Global Telecom Discloses Nation-State Infiltration of Subsea Cable Management Systems
A global telecommunications consortium files SEC Form 8-K Item 1.05 after nation-state threat actors infiltrate subsea fiber cable network management platforms.
Priya Raman12 Oct 20268 min read
Cyber AttackEnergy & Utilities
China-Nexus Warlock Ransomware Crew Breaches Water Utility and Telecom Operator Through Unpatched SharePoint
Longlegs (Storm-2603) used on-prem SharePoint access, a BYOVD EDR killer and SYSVOL replication to push Warlock ransomware to 33+ hosts. IOCs inside.
Mei-Lin Chen4 Oct 20269 min read
ResearchTelecom & Media
Salt Typhoon has compromised networks in more than 80 countries, researchers say
The Chinese state-aligned group has moved well beyond telecoms into transportation and government, in what is now one of the broadest espionage campaigns on record.
Daniel Okafor7 Sep 20268 min read

Latest coverage

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

Global Telecom Discloses Nation-State Infiltration of Subsea Cable Management Systems

China-Nexus Warlock Ransomware Crew Breaches Water Utility and Telecom Operator Through Unpatched SharePoint

Salt Typhoon has compromised networks in more than 80 countries, researchers say