Buypass is a Norway-based Certificate Authority (founded 1968) offering free 180-day SSL certificates via ACME automation, alongside the Norwegian government e-ID system (Buypass ID) and eIDAS-qualified digital signatures.
🛡️ Security
Compare 105 security service and SSL certificate providers for WAF, DDoS protection, and cybersecurity.
Comodo SSL is a globally recognized budget SSL certificate brand whose CA business merged into Sectigo, with over 100 million certificates issued and PositiveSSL DV from $5/year.
Founded in 1994 and headquartered in Minneapolis, Minnesota, Entrust is a leading enterprise digital security and PKI solutions provider covering SSL/TLS certificates, HSM hardware security modules, digital signatures, and IoT certificate management, serving over 10,000 business clients worldwide.
GeoTrust is DigiCert's mid-range SSL certificate brand featuring QuickSSL Premium rapid issuance and full DV/OV/EV coverage starting at $7/yr, ideal for small to medium websites needing brand trust below DigiCert's premium tier.
IdenTrust was founded in 1999, headquartered in Salt Lake City, Utah, USA. It is a globally recognized root certificate trust bridge provider. Its root certificate is pre-installed in 95%+ of browsers and operating systems, providing trust anchors for hundreds of third-party CAs through cross-signature.
RapidSSL is DigiCert's most affordable entry-level SSL brand, with base DV certificates from $8/yr, supporting one-click 5-10 minute auto-validation via DigiCert's trusted root chain, ideal for personal websites and dev/test environments needing basic HTTPS encryption.
SSLS (SSL.com) is a US-based certificate authority with its own root infrastructure, offering DV/OV/EV SSL/TLS, code signing, document signing, and email certificates with ACME automation and a Chinese management panel — at 30%-50% below top-tier CA pricing.
Thawte is a well-known certificate authority founded in 1995 in South Africa, now a DigiCert sub-brand offering full DV/OV/EV SSL and code signing certificates, with OV starting at $80/yr and unique brand heritage in African SSL markets.
Acunetix (now part of Invicti) is a benchmark DAST (Dynamic Application Security Testing) tool for web vulnerability scanning, automatically detecting 3,000+ vulnerability types including SQL injection and XSS, with native CI/CD pipeline integration.
Avast (founded 1988, Prague, Czech Republic) is one of the world's largest free antivirus brands with over 435 million users. Avast Security offers a complete product matrix from free antivirus to Avast One all-in-one security solutions.
Founded in 2003 and headquartered in Campbell, California, Barracuda Networks is a leading provider of email security, WAF, data backup, and network firewall solutions serving over 200,000 businesses worldwide.
Check Point, founded in 1993 and headquartered in Tel Aviv, Israel, is a pioneer in cybersecurity and firewall technology. Quantum next-generation firewalls, CloudGuard cloud security, and Harmony endpoint security form its three pillar product lines, with ThreatCloud threat intelligence driving real-time detection across all products.
Cybereason is a US AI-driven endpoint security platform founded in Boston in 2012, known for ransomware protection and endpoint detection and response (EDR), also offering managed detection and response (MDR) services.
Darktrace, founded in 2013 in Cambridge, UK, is a pioneer in AI-powered cyber security. Its Cyber AI platform delivers self-learning, autonomous threat protection through DETECT, RESPOND, and PREVENT modules.
Dashlane is a leading password manager and digital identity protection platform offering secure password storage, autofill, dark web monitoring, and integrated VPN starting at $4.99/month.
Founded in 1987, McAfee is one of the earliest cybersecurity companies. MVISION endpoint security combines AV and EDR. DLP covers five-channel data loss prevention. Skyhigh CASB protects 200+ cloud applications.
Norton (now part of Gen Digital), founded in 1991 and headquartered in Tempe, Arizona, is an iconic brand in consumer cyber security. Norton 360 bundles anti-virus, VPN, identity protection, and password management in one suite.
OpenVAS (Greenbone) is the world's largest open source vulnerability scanner, initiated by Greenbone Networks in 2008, with over 100,000 NVT test cases providing automated vulnerability detection, compliance assessment, and penetration testing integration.
Founded in 2002 and headquartered in Sunnyvale, California, Proofpoint is a global leader in enterprise email security and compliance solutions. TAP advanced threat protection intercepts over 1 billion malicious emails daily.
Founded in 2000 and headquartered in Boston, Massachusetts, Rapid7 is a leader in cybersecurity data analytics and security operations. Known for the Insight platform (vulnerability management, SIEM/EDR) and the Metasploit penetration testing framework, serving 11,000+ customers globally.
SonicWall is a US cyber-security company founded in California in 1991, known for next-generation firewalls, VPN, intrusion prevention, and ransomware protection products serving global SMBs and enterprises.
Sophos is the SMB cybersecurity leader. Intercept X combines deep learning anti-malware and CryptoGuard anti-ransomware. Security Heartbeat links endpoints with firewalls. MDR delivers 24/7 security operations.
Trend Micro, founded in 1988 and headquartered in Tokyo, Japan, is a global leader in cloud and endpoint security. Its Cloud One, Deep Security, and Apex One portfolios cover cloud workload protection, hybrid cloud intrusion detection, and endpoint detection and response, serving over 500,000 enterprise customers worldwide.
Trend Micro Apex One endpoint protection uses a single-agent architecture combining antivirus and EDR. Cloud One covers hybrid cloud workload protection, Deep Security is a Gartner CWPP Leader, and Vision One XDR accelerates threat response through cross-layer correlation.