Private company
AT&T Cybersecurity
Logo: w:AT&T Cybersecurity, Public domain, via Wikimedia Commons2
AT&T Cybersecurity is a computer security software developer based in San Mateo, founded in 2007.1 It is part of AT&T Corporation.1
Last updated Oct 20, 2026.
Overview
2007Founded1
- Industrycomputer security1
- HeadquartersSan Mateo, United States1
- Websitecybersecurity.att.com
- Legal formprivately held company1
Corporate structure
AT&T Cybersecurity is part of a group headed by AT&T Corporation. 9 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.
- AT&T Corporation Dallas, Texas, United States
- AT&T Cybersecurity San Mateo, United States
- AT&T Information Systems Subsidiary
- Bell System Subsidiary
- Bell Telephone Company Subsidiary
- New York Telephone Company Subsidiary
- Bell Telephone Company of Pennsylvania Subsidiary · United States
- US West Subsidiary · Denver
- Allstream Inc. Stake · 20% · Winnipeg, Manitoba, Canada
Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.
Products and brands
- computer hardware
Listed on Wikidata.1
Subsidiaries and ownership
Parent company
From Wikidata.1
Timeline
- 2007Founded Founded1
Links
- Websitecybersecurity.att.com1
- Facebookwww.facebook.com/ATTCyber1
- Instagramwww.instagram.com/attcybersecurity1
- WikidataQ20311382
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataAT&T Cybersecurity on Wikidata
- 2Wikimedia CommonsAT&T Cybersecurity logo by w:AT&T Cybersecurity, Public domain