Telecommunications Data Breaches

Island Networks experienced a data breach in August 2026, reported by the Pear ransomware group.

GT-Tele.com reportedly experienced a data breach in August 2026, with the Settra ransomware group claiming responsibility.

First Digital data breach in 2026 was reported by a ransomware tracker on 2026-08-11, but the incident has not been publicly confirmed in the sources reviewed. No affected-count or data-type details were disclosed.

Service Electric data breach 2026 was listed on ransomware.live as a Qilin victim on 2026-08-03, but the incident has not been publicly confirmed in the source reviewed. The available record does not disclose any affected data types or affected count.

StellarRAD Systems data breach in 2026 was reported on a ransomware victim listing, but the incident has not been publicly confirmed by the company or a regulator. The available record does not confirm affected individuals or exposed data types.

Westcoast Communication Services experienced a data breach in July 2026, confirmed by a ransomware group.

Boston Electric and Telephone experienced a data breach in July 2026, discovered through reports of the Play ransomware group exfiltrating internal files.

Reports indicate a potential data breach at Telewave, Inc. in 2026, though official confirmation is absent.

8x8 Inc. /DE/ experienced a data breach in 2026 due to a third-party vendor, Klue Labs, impacting business contact and sales-related information.

A ransomware group claimed a Q Link Wireless data breach on June 16, 2026, though concrete details about the incident remain unconfirmed by the company or regulators.

American Tower Corporation experienced a data breach in 2026, with over 5.2 million records allegedly compromised according to reports, though official confirmation is pending.

A reported data breach impacting Zayo.com and Allstream.com in 2026 has not been publicly confirmed by the companies or regulators.

AireSpring, a US-based telecommunications company, experienced a ransomware incident in June 2026, attributed to the Chaos group, though there is no confirmed public breach notification.

A data breach reportedly involving Kennon Worldwide occurred on June 5, 2026, according to a ransomware group.

Hightower Communications experienced a reported data breach in 2026, according to a ransomware listing.

Power & Tel, a telecommunications company, was reportedly affected by a data breach in 2026, with claims made by the Anubis ransomware group. No official confirmation or details about affected individuals or data types have been released.

The purported 2026 data breach at "Lee Law Offices" is a misidentification. The research indicates a major AT&T data breach affecting over 100 million individuals in 2024, which frequently causes confusion in data security discussions.

Legend Networking & Telecom experienced a data breach in May 2026, claimed by the Play ransomware group, but official confirmation remains unavailable.

Charter Communications, Inc. experienced a data breach in May 2026, with a ransomware group claiming to have compromised customer data.

A ransomware group claimed a data breach at TDS Telecommunications LLC on May 9, 2026, though this has not been confirmed by the company.

No confirmed data breach for Total Wireless in 2026 has been reported in public sources. There are no reports of affected individuals or exposed data types.

SMTA Sherwood Mutual Telephone Association experienced a data breach in May 2026, claimed by the WorldLeaks ransomware group. The extent of the breach and affected data types are unconfirmed.

Westamerica Communications experienced a ransomware data breach in April 2026, according to reports from a ransomware tracking site.

T-Mobile, USA reported a data breach in March 2026, affecting one individual in Maine due to insider wrongdoing.