Brendan Hannigan
FounderFounder at Sonrai Security
New York, New York, United States
FoundedSonrai Security
About
Brendan Hannigan is the CEO and co-founder of Sonrai Security, which focuses on access and permissions security across public cloud platforms such as AWS. He also serves as an Entrepreneur Partner at Polaris Partners, working with companies in security, cloud infrastructure, and SaaS. His prior roles include Chairman of Twistlock (acquired by Palo Alto Networks for $430M), General Manager of IBM Security, and CEO of Q1 Labs (acquired by IBM for $600M).
Founder at Sonrai Security
Intro paths
In turn, Brendan can intro founders to Sonrai Security's investors below.
Sonrai Security's investors · 3
Co-founders at Sonrai Security

Experience
- Sonrai SecurityCEO and co-foundercurrent2018 — presentGreater New York City Area
- Polaris PartnersEntrepreneur Partnercurrent2016 — present
- VariousBoard Directorcurrent2016 — present
- TwistlockChair2017 — 2019New York City Metropolitan Area
- IBMGeneral Manager, IBM Security2011 — 2015Armonk, NY
- Q1 LabsPresident and CEO2003 — 2011
- Sockeye NetworksVice President Marketing and Technology2001 — 2003
- Forrester ResearchResearch Director, Network Practice1996 — 2000
- Digital Equipment CorporationEngineering Manager1993 — 1996
- Welfleet, Mototolla, Digital Equipment CorporationSoftware Engineer1987 — 1993
Skills & more
+12 more
Start-upsInformation SecuritySecurityNetwork SecurityProfessional ServicesManaged ServicesProduct ManagementData CenterPre-salesVirtualizationEnterprise ArchitectureBusiness AlliancesFrom Brendan's professional profile.
Frequently asked questions
- Who is Brendan Hannigan?
- Brendan Hannigan is the CEO and co-founder of Sonrai Security, which focuses on access and permissions security across public cloud platforms such as AWS. He also serves as an Entrepreneur Partner at Polaris Partners, working with companies in security, cloud infrastructure, and SaaS. His prior roles include Chairman of Twistlock (acquired by Palo Alto Networks for $430M), General Manager of IBM Security, and CEO of Q1 Labs (acquired by IBM for $600M).
- Where does Brendan Hannigan work?
- Brendan Hannigan is Founder of Sonrai Security.
- What companies did Brendan Hannigan found?
- Brendan Hannigan founded Sonrai Security.
- Where did Brendan Hannigan go to school?
- Brendan Hannigan studied at University College Dublin (BSc., Computer Science).
Founder mafias
University College Dublin mafia20
Also came through, then founded or led a company.
+ 13 more
Forrester mafia8
Also came through, then founded or led a company.
+ 1 more
Polaris Partners mafia5
Also came through, then founded or led a company.
Twistlock mafia2
Also came through, then founded or led a company.
Same school
Also attended University College Dublin156
+ 150 more
Shared employers
Also worked at Sonrai Security2
Also worked at IBM928
+ 922 more
Also worked at Q1 Labs3
Also worked at Forrester Research29
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