Daniel Cid
Founder at Trunc
Temecula, California, United States
Summary
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RockstarDaniel Cid is a seasoned security entrepreneur and builder with over a decade of experience founding and scaling security-focused companies and open-source projects. He founded OSSEC and Sucuri (acquired by Trend Micro and GoDaddy respectively), led engineering at GoDaddy, and currently runs CleanBrowsing, NOC.org, and Trunc—products that simplify DNS filtering, hosting infrastructure, and log-based security. Known for blending hands-on development with product-first thinking, he ships practical defenses for families, schools, and businesses while making advanced tooling accessible to operators. His background spans research, authoring the OSSEC guide, and advisory roles, reflecting deep expertise in host and network security. Based in Temecula, he quietly combines entrepreneurial grit with open-source stewardship, maintaining a long-running pattern of turning security research into widely adopted tools.
10 years of coding experience
18 years of employment as a software developer
Stackoverflow
26reputation
4kreached
2answers
0questions
Github Skills (45)
scanner10
log-analysis10
infosec10
cybersecurity10
integrity10
rootkit10
security10
wordpress-plugin10
ossec10
endpoints10
compliance10
incident-response10
xdr10
supply-chain-security9
wazuh9
Programming languages (4)
Github contributions (5)
dcid/rootcheck
Feb 2016 - Apr 2016
Contributions:4 commits, 3 pushes, 1 branch in 1 month
dcid/dns-over-tls-php-client
Apr 2018 - Apr 2020
DNS over TLS - PHP CLient
Contributions:5 commits, 1 PR, 4 pushes in 2 years
dns-over-tlsphp-clientdnsphptls
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