Siber Group Information Security Is What We Do
Understand Your Attack Surface
Before attackers target your organisation, they gather information about your infrastructure. Our tools let you see what they see — DNS records, open ports, SSL configurations, and security headers — so you can fix weaknesses before they're exploited.
Some tools are freely available, while advanced scanning capabilities require a SiberGroup account. All tools are built with privacy in mind — we don't store your scan results.
Security Testing Suite
DNS / WHOIS Lookup
Look up DNS records, WHOIS registration data, and nameserver information for any domain.
Coming soonSSL / TLS Checker
Verify SSL certificate validity, expiry dates, cipher suites, and TLS configuration for any website.
Coming soonHTTP Header Analyser
Analyse security headers of any website and get recommendations to improve your security posture.
Coming soonPort Scanner
Scan common ports on an IP address or hostname to identify open services and potential vulnerabilities.
Coming soonSubdomain Finder
Discover subdomains associated with a target domain to map the full attack surface.
Coming soonEmail Security Check
Validate SPF, DKIM, and DMARC records for a domain to ensure email authentication is properly configured.
External Exposure Map
Visualise internet-facing assets on a world map with geo IP distribution, open services, and risk colouring.
Email Security Heatmap
Go beyond pass/fail with granular scoring across SPF strength, DKIM alignment, DMARC enforcement, MTA-STS, TLS reporting & BIMI readiness.
IP & Domain Reputation Checker
Check any IP address, domain, or email address against Spamhaus blocklists and Shodan to see if it's been flagged for malicious activity.
Need a full security assessment?
These tools provide a starting point. For comprehensive penetration testing and security consulting, get in touch with our expert team.
Contact SiberGroup