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Tessco Data Breach History

Technology / Distribution United States
Website

Tessco LLC (formerly TESSCO Technologies) is a Maryland-based distributor of wireless infrastructure equipment and network solutions.

This page shows all data breaches of Tessco. View the complete breach timeline, records exposed, root causes, and AI breach risk score. BreachHistory tracks disclosed data breaches worldwide.

1Total breaches
UnknownRecords breached
April 2026Last breach
12 AI Breach Risk score Low

Data Breach Timeline — All Tessco Breaches

Tessco Data Breach Summary

This page tracks the Tessco data breach history and cybersecurity incidents affecting Tessco (United States). BreachHistory currently indexes 1 publicly disclosed or catalogued incident spanning 2026, with approximately an unknown number of records reported as exposed across all indexed events. These totals may include overlapping datasets or third-party estimates and should not be interpreted as unique affected users.

The Tessco breach timeline includes major data breaches, cyber attacks, data leaks, credential exposures, API abuse, and other security incidents. Each incident provides details on the estimated records exposed, attack method, affected data types, and supporting public sources. Currently, 0 incidents are company-confirmed, while 1 remain unverified claims pending independent verification.

Largest Tessco Data Breaches

Indexed Tessco incidents are listed below. Where a public count is unavailable, the catalog shows unknown records exposed. Open each page for attack method, data types, and sources.

What Information Was Exposed?

Depending on the incident, exposed data may include Social Security numbers and national IDs, names, payment card and financial account data, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.

Tessco Data Breach 2026

At the time of this update, BreachHistory catalogues 1 2026 incident related to Tessco. Most recent entry: 2026 Tessco — VT/MA AG notices; SSNs & financial data incl. minors (PayoutsKing claimed Apr). New incidents are added as official disclosures, regulatory filings, or credible cybersecurity reports become available.

What To Do If You Were Affected

If you believe your account may have been involved in a Tessco data breach, change any reused passwords, enable multi-factor authentication (MFA), monitor your account for suspicious activity, and be cautious of phishing emails or fake breach notifications.

This Tessco breach history is maintained by BreachHistory using public disclosures, regulatory filings, security research, and clearly labelled third-party claims. For the complete breach timeline, records exposed, incident details, and AI Breach Risk Score, explore the sections on this page.

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