Security and Security Research
News Web Sites
Heise Security - Heise Online security news (deutsch)
The Register Security - The Register security news (english)
Golem.de Security - Golem.de security news (deutsch)
CERT-BUND Meldungen - CERT-Bund Security Meldungen (deutsch)
Manufacturers
Cisco Security Advisories and Alerts - Cisco Security Advisories and Alerts
Cisco Talos Intelligence - Vulnerability reports of Cisco Talos
ESET Security blog - Neuigkeiten, Analysen und Tipps der ESET Sicherheitsexperten
Security research
The Exploit Database - Ultimate archive of Exploits, Shellcode, and Security Papers
CVE Details - The ultimate security vulnerability datasource
Krebs on Security - Brian Krebs web site, in-depth security news and investigation
Schneier on Security - Bruce Schneier’s web site
SHAttered - SHA-1 broken in practice.
Key Reinstallation Attacks - Decrypting RSA with Obsolete and Weakened eNcryption
The Heartbleed Bug - Serious vulnerability in the popular OpenSSL cryptographic software library
CallStranger - CVE-2020-12695 Data Exfiltration & Reflected Amplified TCPDDOS& Port Scan via UPnP SUBSCRIBE Callback
Ripple20 - 19 Zero-Day Vulnerabilities Amplified by the Supply Chain
SIGRed - SIGRed – Resolving Your Way into Domain Admin: Exploiting a 17 Year-old Bug in Windows DNS Servers
Security checks
securityheaders.io - Check a web servers security-related configuration
VirusTotal - Analyze suspicious files and URLs
Qualys SSL Server test - Analyze TLS (SSL) Certificates
crt.sh Certificate Search - Check Certificates ID’s of web servers
CSP Evaluator - Check Content Security Policy to mitigate cross-site scripting attacks
Crypto
Let’s encrypt - A free, automated and open Certificate Authority
EFF Certbot - EFF’s Certbot for Let’s encrypt
Xca - X - Certificate and key management, start your own PKI today
Privacy
webbkoll dataskydd.net - Privacy check for websites
have i been pwned - Search data breaches if your e-mail address has been compromised
Identity Leak Checker - Identity Leak Checker (Hasso Plattner Institut)
Internet
bgpstream.com - Hijacks, leaks and outages for BGP (Border Gateway Protocol)
peeringdb.com - Lookup of global interconnection of networks at Internet Exchange Points (IXPs)
wigle.net - Wireless Geographic Logging Engine