Socket
Socket is a cybersecurity company specializing in Application Security, founded in 2020 and headquartered in San Francisco, United States. It has raised $124.6M in equity across 4 priced rounds, employs about 143 people, and is privately held.
#1Application Security Pacesetter· Q3 2026updated Oct 18, 2026
Latest Socket news and company activity
What Socket did, dated — selected moves from the record, one per kind, newest first.
- Oct 2026Feature launchvlt 1.5.0 Adds Agent Skills Management
- Aug 2026Exec changeJames Cook joins Socket as General Counsel
- May 2026Mega roundSecurity Firm Thwarting Nation-State Hackers Valued at $1 Billion
- Apr 2026AcquisitionJohn Tuckner joins Socket as Product Lead – Extensions (via Secure Annex acquisition)
Socket Momentum score
91/ 100climbing
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
Socket funding
Socket has raised $124.6M in priced equity. Its most recent round was a Series C in May 2026.
- Equity raised
- $124.6M4 priced rounds
- Last round
- Series CMay 2026
Socket employees and hiring
Socket has about 143 employees, up 6% over the last 30 days, with 36 open roles.
- Employees
- 143
- 30-day change
- +6%
- Open roles
- 36
Socket competitors
Security professionals most often compare Socket against Aikido Security on cybersectools.com. The full competitive set, with overlap scoring, is in the platform.
ranked by CybersecTools comparison demand, 90 days
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Socket CISO Score
How Socket reads to a CISO buyer: seven dimensions of the Mandos Framework, scored through the eyes of a security buyer.
