Iranian Hackers Claim Massive AT&T Outage in Texas, Vow More 9/11 Attacks

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Iranian Hackers Claim Massive AT&T Outage in Texas, Vow More 9/11 Attacks

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An Iranian hacking group identified as APT IRAN claimed responsibility for a significant AT&T fiber optic and 5G home internet outage affecting major Texas cities including Houston, Dallas, Austin, and San Antonio on Monday, September 7. The disruption occurred during the Labor Day holiday, placing AT&T under a red alert and impacting thousands of customers. In a statement released via Telegram, the group alleged the action targeted critical U.S. infrastructure and threatened intensified operations ahead of the 25th anniversary of the September 11 attacks. APT IRAN shares operational ties with the Islamic Revolutionary Guard Corps-affiliated CyberAv3ngers. The Cybersecurity and Infrastructure Security Agency previously issued warnings regarding persistent foreign cyber threats targeting operational technology and industrial control systems across various domestic utility and communication sectors. Federal authorities and telecommunication operators continue investigating the claims and verifying the extent of any actual digital penetration into critical networks.

Published 2026-09-09 14:58:12 UTC · Published by JQJO

Prepared by Ayesha A. · AI assisted

More context

Timeline

On July 22, 2026, CISA warned about Iranian-affiliated PLC cyber exploitation.
On August 25, 2026, hackers threatened upcoming critical infrastructure disruption events.
On September 2, 2026, intelligence reports highlighted active Iranian infrastructure targeting.
On September 7, 2026, severe fiber outages disrupted AT&T services across Texas.
On September 8, 2026, APT IRAN claimed responsibility via Telegram channel statements.
On September 8, 2026, news outlets reported widespread customer disruptions and red alerts.
On September 9, 2026, federal cybersecurity agencies monitored infrastructure threats ahead of September 11.
Expected future security enhancements across critical telecommunication infrastructure networks nationwide.
Potential increased federal advisories regarding operational technology vulnerabilities.
Anticipated ongoing intelligence investigations into state-sponsored cyber actors.

Why it matters

Immediate US impact: Immediate national scrutiny on telecommunication infrastructure vulnerability and security alerts. Possible long-term US impact: Long-term hardening of critical infrastructure against state-sponsored cyber attacks. Most affected groups: Texas residents, telecommunication providers, and municipal water utility operators. Reader priority: Prioritize verified official agency advisories and credible investigative reporting.

Coverage notes

Left: Highlighted state-sponsored cyber risks and critical infrastructure defense failures. Center: Reported the hacking claim, operational disruptions, and official agency warnings. Right: Emphasized foreign adversary threats and national security vulnerabilities requiring deterrence.