URLhaus is a platform operated by abuse.ch with the purpose of sharing malicious URLs used for malware distribution. It allows reporting URLs and browsing a database of malicious URLs. APIs enable pushing and pulling signals and automating bulk queries, and Spamhaus datasets enhanced by URLhaus are offered for threat hunting, email protection and network protection.
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UUID Tools is an open-source, free online tool and API for generating UUIDs and GUIDs on the fly, including version-1, version-3, version-4 and version-5. The API requires no authentication, allows up to 100 UUIDs per request and is limited to 60 requests per minute per IP address. It also offers a UUID decoder and bulk generator.
Wazuh is a free and open source security platform that unifies XDR and SIEM protection for endpoints and cloud workloads. It collects, aggregates, indexes and analyzes security data to detect intrusions, threats and behavioral anomalies. Capabilities include file integrity monitoring, vulnerability detection, configuration assessment and log data analysis. A managed Wazuh Cloud service is also offered.
Web Check is an OSINT and security tool that reports on a website's configuration, including IP information, SSL certificates, DNS records, cookies, crawl rules and response headers. The site states it supports 44 checks and produces results in about 20 seconds.
A guide introducing Web Authentication (WebAuthn), a W3C and FIDO specification that lets servers register and authenticate users using public key cryptography instead of passwords. It explains how credentials work, with a private key stored on the user's device and a public key sent to the server, and covers registering credentials and authenticating with them.
WhatsMyDNS is a free online tool for performing DNS lookups against nameservers in many countries. It displays results on a map so users can check DNS propagation for a domain's IP address and DNS record information. The site says it maintains a range of DNS servers for lookups and parses the results for display.
x64dbg is an open-source debugger for Windows that supports both x64 and x32 applications through a single interface. It offers full-featured debugging of DLL and EXE files, a plugin API, an integrated scripting language and customizable themes.
ZAP, the Zed Attack Proxy, is a free and open source web app scanner maintained as a community project. It provides options for security automation, including packaged scans and an automation framework, and a marketplace of community-contributed add-ons.
ZeroSSL is a certificate authority offering free 90-day SSL certificates and premium annual certificates. It supports automated issuance and renewal via ACME clients and a REST API, plus one-step validation, wildcard and multi-domain certificates, installation checks and SSL monitoring.