Company:LevelBlue
From HandWiki
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| Formerly | AT&T Cybersecurity (2019-2024), AlienVault (2007–2019) |
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| Industry | Managed security services, Managed security service provider (MSSP), Cybersecurity Consulting, XDR |
| Founder | Robert McCullen (CEO, chairman)[1] |
| Headquarters | Dallas, Texas, US |
| Website | www |
LevelBlue (formerly AT&T Cybersecurity[2][3][4]) is a managed security service provider (MSSP). The company was established as a joint venture between AT&T and the cybersecurity investment firm WillJam Ventures and launched as an independent business at the RSA Conference in 2024. LevelBlue provides managed security services, consulting, and threat intelligence.
In November 2025, it was announced LevelBlue had completed the acquisition of the American cybersecurity technology company, Cybereason for an undisclosed amount.[5]
References
- ↑ Metinko, Chris (2025-10-28). "LevelBlue CEO talks 2026 IPO and rapid M&A". https://www.axios.com/pro/enterprise-software-deals/2025/10/28/levelblue-ceo-bob-mccullen-2026-ipo-deals.
- ↑ McDowell, Steve. "AT&T Spins-Out Cybersecurity Business, LevelBlue" (in en). https://www.forbes.com/sites/stevemcdowell/2024/05/07/att-spins-out-cybersecurity-business-levelblue/.
- ↑ "AT&T Splits Cybersecurity Services Business, Launches LevelBlue" (in en). https://www.darkreading.com/cybersecurity-operations/att-splits-cybersecurity-services-business-launches-levelblue.
- ↑ Liu, Nancy (May 6, 2024). "AT&T Cybersecurity becomes a separate business, rebranded as LevelBlue". https://www.sdxcentral.com/articles/news/att-cybersecurity-becomes-a-separate-business-rebranded-as-levelblue/2024/05.
- ↑ "Cybereason officially acquired by LevelBlue" (in en). 2025-11-26. https://www.techzine.eu/news/security/136719/cybereason-officially-acquired-by-levelblue/.
External links
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