Socket

Application SecuritySan Francisco, United Statesfounded 2020private

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 103 people, and is privately held.

Explore in Mandos Request full profile

updated Sep 12, 2026

Latest Socket news and company activity

What Socket did, dated — selected moves from the record, one per kind, newest first.

Aug 2026Customer winFieldguide Launches FedRAMP Certified Environment Using Socket
Aug 2026Feature launchSocket Launches PHP and Composer Support in Beta
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

62/ 100

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.

Growthlocked

Marketlocked

Financiallocked

Socket products

SocketDetects and blocks malicious/vulnerable open source packages in supply chains.Details ↗

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

View the complete funding history

Socket employees and hiring

Socket has about 103 employees, down 1% over the last 30 days, with 23 open roles.

Employees: 103
30-day change: -1%
Open roles: 23

See hiring trends

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.

Aikido Security

by search demand for comparison pages on cybersectools.com, 90 days

View the competitive set with overlap scores

The other 440 data points.

Funding historyevery round, every investor named
Headcount growthvelocity, departments, seniority
Open jobs23 live postings, role mix
Tech stackframeworks, clouds, security

Similar in Application Security

Common questions about Socket.

How much funding has Socket raised?: Socket has raised $124.6M in priced equity. Its most recent round was a Series C in May 2026.
How many people work at Socket?: Socket has about 103 employees, down 1% over the last 30 days, with 23 open roles.
Who are Socket's competitors?: Security professionals most often compare Socket against Aikido Security on cybersectools.com. The full competitive set, with overlap scoring, is in the platform.
What does Socket do?: Socket is a cybersecurity company specializing in Application Security, founded in 2020 and headquartered in San Francisco, United States.
What products does Socket sell?: Socket sells Socket.