Metasploit, maintained by Rapid7 and headquartered in Boston, Massachusetts, is the world's most widely used penetration testing framework, with 2,000+ exploit modules and 500+ auxiliary modules as the standard tool for red team assessments and security testing.
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Security providers
Compare 108 security service and SSL certificate providers for WAF, DDoS protection, and cybersecurity.
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Security
Nessus, launched by Tenable in 2002 and headquartered in Columbia, Maryland, is one of the most widely deployed vulnerability scanners, covering 50,000+ detection rules and 400+ system and application checks — the essential tool for enterprise vulnerability management.
Nmap (Network Mapper) is the world's most widely used open source network scanning and security auditing tool, created and maintained by Gordon Lyon (Fyodor), with 600+ NSE scripts and 40+ probe techniques as the de facto standard for network discovery.
SentinelOne, founded in 2013 and headquartered in Mountain View, California, is a global leader in AI-powered autonomous endpoint security. The Singularity XDR platform delivers automated threat detection, investigation, and response with Purple AI, serving over 12,000 enterprise customers worldwide.
Wazuh is an open source SIEM/XDR security monitoring platform forked from OSSEC in 2015, integrating log analysis, file integrity monitoring, vulnerability detection, and compliance management with 10,000+ GitHub Stars.
Wireshark is the world's most popular open source network protocol analyzer, providing deep packet inspection and traffic analysis for 3,000+ protocols. It is the standard tool for network security analysis and troubleshooting.
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.
Sophos, founded in 1985 and headquartered in Abingdon, UK, is a global leader in SMB cybersecurity. Intercept X endpoint protection combines deep learning anti-malware with CryptoGuard anti-ransomware, Security Heartbeat enables real-time endpoint-firewall coordination, and MDR provides 24/7 security operations.
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.
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.
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.
Founded in 1982 in Mountain View, CA, Symantec is now Broadcom's enterprise security brand, offering endpoint protection, DLP, web security gateway, and SSL certificates.
SSL Mate (founded 2014) is a DevOps-focused SSL automation SaaS platform that leverages Certbot/ACME for end-to-end certificate lifecycle management across Sectigo, DigiCert, and Let's Encrypt — covering ordering, deployment, monitoring, and renewal.
Founded in 1988 and headquartered in Tokyo, Japan, Trend Micro is a global leader in hybrid cloud security. Cloud One integrates Workload/Container/Network/Application/File Storage services, Deep Security is a Gartner CWPP Leader, and Vision One XDR cross-layer correlation accelerates threat investigation.
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.
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.
SSL Store (aka The SSL Store), founded in 2009 and headquartered in Tampa, Florida, is a leading SSL certificate online retailer offering 10+ brands including Sectigo, DigiCert, GlobalSign, Thawte, and GeoTrust, with 24/7 support, Price Match Guarantee, and DV certificates starting at $5/year.
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.
Avast (founded 1988, Prague, Czech Republic) is one of the world's largest free antivirus brands with over 435 million users. Avast One integrates antivirus, VPN, privacy protection, and performance optimization into a single security solution.
GoGetSSL is a Latvia-based SSL certificate reseller aggregating 50+ CA brands, offering 30%-60% savings vs official pricing, free unlimited reissuance, and a 30-day money-back guarantee.
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.
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.
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.
Certum is a Polish Certificate Authority under Asseco Data Systems, founded 2002 in Poznań, Poland — one of few European CAs with its own trusted root — providing affordable SSL/TLS certificates, code signing, and eIDAS-qualified digital signatures.
Click SSL is an online SSL certificate platform offering Sectigo, DigiCert, GeoTrust brands with 1-minute purchase-to-issuance, instant DV activation, multi-language UI, and multiple payment options.
InstantSSL is Sectigo's (formerly Comodo CA) sub-brand focused on instant-issue SSL certificates, offering DV/OV/EV certificates with 30-day refund guarantee.
Namecheap SSL is the SSL certificate product line resold by Namecheap (founded 2000, Phoenix AZ), the world's second-largest domain registrar, featuring Sectigo PositiveSSL from $5/yr, multi-brand CA options, and free reissuance — the top choice for budget-conscious SSL buyers.
SSL.com is a Houston Texas-based Certificate Authority founded in 2002, offering affordable DV/OV/EV SSL certificates from $39.95/yr, S/MIME, code signing, and enterprise PKI solutions.
Sectigo SSL is the SSL certificate product line of Sectigo (formerly Comodo CA), offering the PositiveSSL budget DV entry point and full DV/OV/EV/Wildcard coverage — the most cost-effective commercial CA choice.
Founded in 1995 and headquartered in Chicago, IL, Trustwave is a globally recognized cybersecurity firm. Trustwave CA provides SSL certificate issuance deeply bundled with Managed Security Services (MSS), penetration testing, and PCI DSS compliance — issuing 500K+ SSL certificates annually.
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.
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.
Cheap SSL Security is a US-based SSL certificate reseller offering Sectigo, GeoTrust, and other major brands at 30%-50% below official pricing, with free unlimited reissuance and 24/7 technical support.
CheapSSLWeb is a Canada-based SSL certificate reseller offering Sectigo, DigiCert, GeoTrust brands at 20%-50% below official pricing, with instant DV issuance and a simple management panel.