General Search Engines
Servers
- Shodan - Search Engine for the Internet of Everything
- Censys Search - Search Engine for every server on the Internet to reduce exposure and improve security.
- Onyphe.io - Cyber Defense Search Engine for open-source and cyber threat intelligence data
- ZoomEye - Global cyberspace mapping
- GreyNoise - The source for understanding internet noise
- Natlas - Scaling Network Scanning
- Netlas.io - Discover, Research and Monitor any Assets Available Online
- FOFA - Cyberspace mapping
Vulnerabilities
- NIST NVD - National Vulnerability Database
- MITRE CVE - Identify, define, and catalog publicly disclosed cybersecurity vulnerabilities
- GitHub Advisory Database - Security vulnerability database inclusive of CVEs and GitHub originated security advisories
- cloudvulndb.org - The Open Cloud Vulnerability & Security Issue Database
- osv.dev - Open Source Vulnerabilities
- Vulners.com - Your Search Engine for Security Intelligence
- opencve.io - Easiest way to track CVE updates and be alerted about new vulnerabilities
- security.snyk.io - Open Source Vulnerability Database
- Mend Vulnerability Database - The largest open source vulnerability DB
- Rapid7 - DB - Vulnerability & Exploit Database
- CVEDetails - The ultimate security vulnerability datasource
- VulnIQ - Vulnerability intelligence and management solution
- SynapsInt - The unified OSINT research tool
- Aqua Vulnerability Database - Vulnerabilities and weaknesses in open source applications and cloud native infrastructure
- Vulmon - Vulnerability and exploit search engine
- VulDB - Number one vulnerability database
Exploits
- Exploit-DB - Exploit Database
- Sploitus - Convenient central place for identifying the newest exploits
- Rapid7 - DB - Vulnerability & Exploit Database
- Vulmon - Vulnerability and exploit search engine
- packetstormsecurity.com - Information Security Services, News, Files, Tools, Exploits, Advisories and Whitepapers
- 0day.today - Ultimate database of exploits and vulnerabilities
- LOLBAS - Living Off The Land Binaries, Scripts and Libraries
- GTFOBins - Curated list of Unix binaries that can be used to bypass local security restrictions in misconfigured systems
- Payloads All The Things - A list of useful payloads and bypasses for Web Application Security
Attack Surface
- FullHunt.io - Attack surface database of the entire Internet
- BynaryEdge - We scan the web and gather data for you
- Censys ASM - Attack Surface Management Solutions
- RedHunt Labs - Discover your Attack Surface, Continuously
- SecurityTrails - The Total Internet Inventory
- criminalip.io - Cyber Threat Intelligence Search Engine and Attack Surface Management(ASM) platform
- overcast-security.com - We make tracking your external attack surface easy
Code Search Engines
- GitHub Code Search - Search globally across all of GitHub, or scope your search to a particular repository or organization
- grep.app - Search across a half million git repos
- publicwww.com - Find any alphanumeric snippet, signature or keyword in the web pages HTML, JS and CSS code
- SearchCode - Search 75 billion lines of code from 40 million projects
- NerdyData - Find companies based on their website's tech stack or code
- RepoSearch - Source code search engine that helps you find implementation details, example usages or just analyze code
- SourceGraph - Understand and search across your entire codebase
- HotExamples - Search code examples from over 1 million projects
Mail Addresses
- Hunter.io - Find professional email addresses in seconds
- PhoneBook - Lists all domains, email addresses, or URLs for the given input domain
- IntelligenceX - Search engine and data archive
- Reacher.email - Open-Source Email Verification
- RocketReach - Your first-degree connection to any professional
- email-format.com - Find the email address formats in use at thousands of companies
- EmailHippo - Email address verification technology
- ThatsThem - Reverse email lookup
- verify-email.org - Checks whether the mailbox exists or not
- Melissa - Emailcheck - Check email addresses and verify they are live
- VoilaNorbert - I can find anyone's email address
- SynapsInt - The unified OSINT research tool
- skymem.info - Find email addresses of companies and people
- findemails.com - Find Anyone's Email Address in Seconds
Domains
- PhoneBook - Lists all domains, email addresses, or URLs for the given input domain
- IntelligenceX - Search engine and data archive
- Omnisint - Subdomain enumeration
- Riddler - Allows you to search in a high quality dataset
- RobTex - Various kinds of research of IP numbers, Domain names, etc
- CentralOps - DomainDossier - Investigate domains and IP addresses
- DomainIQ - Comprehensive Domain Intelligence
- whois.domaintools.com - Industry’s fastest domain discovery engine and broadest, most accurate data
- grayhatwarfare.com - domains - How to search URLs exposed by Shortener services
- whoisology.com - Deep Connections Between Domain Names & Their Owners
- who.is - WHOIS Search, Domain Name, Website, and IP Tools
- pentest-tools.com - Discover subdomains and determine the attack surface of an organization
- BuiltWith - Find out what websites are Built With
- MoonSearch - Backlinks checker & SEO Report
- sitereport.netcraft.com - Find out the infrastructure and technologies used by any site
- SynapsInt - The unified OSINT research tool
- spyonweb.com - Find out related websites
- statscrop.com - Millions of amazing websites across the web are being analyzed with StatsCrop
- securityheaders.com - Scan your site now
- visualsitemapper.com - Create a visual map of your site
- similarweb.com - The easiest and fastest tool to find out what's really going on online
- buckets.grayhatwarfare.com - Public buckets
- C99.nl - Over 57 quality API's and growing!
- PassiveTotal - Security intelligence that scales security operations and response
- wannabe1337.xyz - Online Tools
URLs
- PhoneBook - Lists all domains, email addresses, or URLs for the given input domain
- IntelligenceX - Search engine and data archive
- URLScan - A sandbox for the web
- HackerTarget - Collect information about IP Addresses, Networks, Web Pages and DNS records
- MOZ Link Explorer - The world's best backlink checker with over 40 trillion links
- shorteners.grayhatwarfare.com - Search URLs exposed by Shortener services
- CommonCrawl Index - Open repository of web crawl data
DNS
- DNSDumpster - dns recon & research, find & lookup dns records
- Chaos - Enhance research and analyse changes around DNS for better insights
- RapidDNS - dns query tool which make querying subdomains or sites of a same ip easy
- DNSdb - Passive DNS historical database
- Omnisint - Reverse DNS lookup
- HackerTarget - Collect information about IP Addresses, Networks, Web Pages and DNS records
- passivedns.mnemonic.no - Web interface for querying passive DNS data collected in our malware lab
- ptrarchive.com - Over 230 billion reverse DNS entries from 2008 to the present
- dnshistory.org - Domain Name System Historical Record Archive
- DNSTwister - The anti-phishing domain name search engine and DNS monitoring service
- DNSviz - Tool for visualizing the status of a DNS zone
- C99.nl - Over 57 quality API's and growing
- PassiveTotal - Security intelligence that scales security operations and response
- wannabe1337.xyz - Online Tools
Certificates
- Crt.sh - Certificate Search
- CTSearch - Certificate Transparency Search Tool
- tls.bufferover.run - Quickly find certificates in IPv4 space
- CertSpotter - Monitors your domains for expiring, unauthorized, and invalid SSL certificates
- SynapsInt - The unified OSINT research tool
- Censys Search - Certificates - Certificates Search
- PassiveTotal - Security intelligence that scales security operations and response
WiFi Networks
- Wigle.net - Maps and database of 802.11 wireless networks with statistics
- wifimap.io - Connect to all Free WiFi Hotspots using WiFi Map App all over the World!
- wificafespots.com - Free WiFi Cafe Spots
- wifispc.com - Free map of Wi-Fi passwords anywhere you go!
- openwifimap.net - HTML5 map with OpenWiFiMap data
- mylnikov.org - Public API implementation of Wi-Fi Geo-Location database
Device Information
- MAC Vendor Lookup - Look up the vendor for a specific MAC Address
- macvendors.com - Find MAC Address Vendors. Now.
- macaddress.io - MAC address vendor lookup
- maclookup.app - Find the vendor name of a device by entering an OUI or a MAC address
Credentials
- Have I Been Pwned - Check if your email or phone is in a data breach
- Dehashed - Free deep-web scans and protection against credential leaks
- Leak-Lookup - Search across thousands of data breaches
- Snusbase - Stay on top of the latest database breaches
- LeakCheck.io - Make sure your credentials haven't been compromised
- crackstation.net -Massive pre-computed lookup tables to crack password hashes
- breachdirectory.org - Check if your information was exposed in a data breach
- BreachForums - Breaches, Data leaks, databases and more
Hidden Services
- AHMIA - Search hidden services on the Tor network
- thehiddenwiki.org - The darknet guide
- tor.link - Free anonymous deepweb / Darknet search engine
- deepweblinks.net - Onion Links
- onionengine.com - A search engine for services accessible on the Tor network
Social Networks
These can be useful for osint and social engineering.
- YouTube
- Tumblr
- Flickr
- SnapChat
- Quora
- TikTok
- Vimeo
- Medium
- VK
- Tinder
Phone Numbers
- NumLookup - Free reverse phone lookup
- SpyDialer - Free Reverse Lookup Search
- WhitePages - Find people, contact info & background checks
- National Cellular Directory - Begin your comprehensive people search now
- Phone Validator - Is it a cell phone or is it a landline or is it a fake?
- Free Carrier Lookup - Enter a phone number and we'll return the carrier name
- RocketReach - Your first-degree connection to any professional
- sync.me - Find out who called
- EmobileTracker - Track Mobile Owner Name, Location and Mobile Service Provider
- Reverse Phone Lookup - Find Out The Owner Of A Phone Number
- ThatsThem - Reverse phone lookup
- thisnumber.com - International Phone Directories
- usphonebook.com - Free Reverse Phone Number Lookup
- truepeoplesearch.com - Get current address, cell phone number, email address, relatives, friends and a lot more
- Tellows - Who is calling? The phone number reverse search
- SynapsInt - The unified OSINT research tool
- C99.nl - Over 57 quality API's and growing
Threat Intelligence
- MITRE ATT&CK - Globally-accessible knowledge base of adversary tactics and techniques
- PulseDive - Threat intelligence made easy
- ThreatCrowd - A Search Engine for Threats
- ThreatMiner - Data Mining for Threat Intelligence
- VirusTotal - Analyze suspicious files, domains, IPs and URLs to detect malware and other breaches
- vx-underground.org - Malware library
- bazaar.abuse.ch - Malware sample database
- feodotracker.abuse.ch - List of botnet Command&Control servers
- sslbl.abuse.ch - All malicious SSL certificates
- urlhaus.abuse.ch - Propose new malware urls
- threatfox.abuse.ch - Indicator Of Compromise (IOC) database
- yaraify.abuse.ch - Scan suspicious files such as malware samples or process dumps against a large repository of YARA rules
- Rescure - Curated cyber threat intelligence for everyone
- otx.alienvault - The World's First Truly Open Threat Intelligence Community
- urlquery.net - Service for detecting and analyzing web-based malware
- socradar.io - Extension to your SOC team
- VirusShare - System currently contains 48 million malware samples
- WikiLeaks - News leaks and classified media provided by anonymous sources
- PassiveTotal - Security intelligence that scales security operations and response
- malapi.io - Windows APIs used for malicious purposes
- filesec.io - Latest file extensions being used by attackers
- leakix.net - Search engine indexing public information and an open reporting platform linked to the results
- tria.ge - Fully automated solution for high-volume malware analysis using advanced sandboxing technology
Web History
- Web Archive - Explore more than 702 billion web pages saved over time
- Archive.ph - Create a copy of a webpage that will always be up even if the original link is down
- CachedPages - Get the cached page of any URL
- stored.website - View cached web pages/website
- CommonCrawl - Open repository of web crawl data
- UK Web Archive - Collects millions of websites each year, preserving them for future generations
Unclassified
- NetoGraph - Captures and indexes detailed, low-level snapshots of website behaviour
- DNS.BufferOver.run