Recently, two of my coworkers coincidentally asked me how I kept track of security news and vulnerabilities. As it took me a long time to build a list of useful resources myself, I figured it would be useful to share it with everyone, so here goes!
A database of known attack patterns against networks.
Common Attack Pattern Enumeration and Classification (CAPEC)
A database of known attack patterns against applications.
Common Vulnerabilities and Exposures (CVE)
A database of publicly disclosed cybersecurity vulnerabilities and exposures in released software and hardware, and whether a fix or workaround exists if applicable.
Common Weakness Enumeration (CWE)
A database of software weaknesses types and how to prevent them.
A database of code snippets and research papers of successful attacks.
Have I Been Pwned?
A database of publicly leaked credentials. Can be used to search incidents by email addresses of victims, or to search the number of times a specific password has been leaked.
A service is also available for email address and domain name owners to notify them of newly-discovered breaches in which they appear in.
Server information lookup
A search engine for publicly-accessible services in the Internet.
A tool that provides geolocation and network intelligence information for a given IP address.
A search engine for Internet of Things (IoT) devices, such as security cameras, fridges and boats.
A map of publicly discovered Wi-Fi wireless networks.
Your home wireless network is probably already on it.
A mainstream technology news website offering a security news feed.
A Certificate Transparency (CT) search engine that can generate news feeds of certificates generated for a specific domain name. Useful to detect rogue certificates issued by trusted certificate autorities (CA).
A news feed of cybersecurity alerts issued by the United States of America's Department of Homeland Security.
Vulnerability Notes Database
A publication of advisory and mitigation notes of software vulnerabilities.
Domain-based Message Authentication, Reporting, and Conformance (DMARC)
A standard that protects domain names from being used in email forgeries.
Note that if you find this document too technical, you may be interested in my Configuring and Managing SPF, DKIM, and DMARC course on this very topic.
OWASP Secure Headers Project
A description of security-related HTTP response headers, and associated implementation best practices.
OWASP Top 10
A regular publication of the most critical web application security risks.
A distribution of various security tools for Windows virtual machines.
An open source suite of reverse engineering tools maintained by the National Security Agency (NSA).
A Linux distribution specifically designed for penetration testing, with various tools easily available for such a task. Can also be installed under Windows Subsystem for Linux.
A collection of online tools for assessing the security of a given website.
OWASP Zed Attack Proxy (ZAP)
An HTTP proxy server that can sniff and manipulate requests and responses going through it. Can also decrypt HTTPS traffic if its certificate is set up to be trusted on the client.
A network sniffer and analyzer, supporting hundreds of different protocols.
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