
Top picks: crt.sh, s3viewer, S3BucketList — plus 45 more compared.
Attack SurfaceFestIn is a free External Attack Surface Management tool. Security professionals most commonly compare it with . All 48 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.
A closer look at the 8 most relevant alternatives and competitors to FestIn, including their key features and shared capabilities.
Bash script for subdomain enumeration via crt.sh certificate transparency logs.
Shares 3 capabilities with FestIn: Reconnaissance, Security Scanning, DNS Security
A storage exploration tool that provides unified access to view publicly accessible Amazon S3 buckets, Azure Blob storage, FTP servers, and HTTP directory listings.
Shares 3 capabilities with FestIn: S3, AWS, Misconfiguration
A Chrome extension that automatically detects and lists Amazon S3 buckets while browsing websites.
Shares 3 capabilities with FestIn: Reconnaissance, S3, AWS
A tool for enumerating and analyzing Amazon S3 buckets associated with specific targets to identify potential security misconfigurations.
Shares 3 capabilities with FestIn: Reconnaissance, S3, AWS
Monitors internet-facing subdomains for vulnerabilities and misconfigurations
External attack surface management platform for asset discovery and monitoring
Maps external attack surface including assets, dark web exposure, and leaks.
Passive pre-sale domain diagnostic tool for vCISOs, MSPs & MSSPs.
Bash script for subdomain enumeration via crt.sh certificate transparency logs.
A storage exploration tool that provides unified access to view publicly accessible Amazon S3 buckets, Azure Blob storage, FTP servers, and HTTP directory listings.
A Chrome extension that automatically detects and lists Amazon S3 buckets while browsing websites.
A tool for enumerating and analyzing Amazon S3 buckets associated with specific targets to identify potential security misconfigurations.
Monitors internet-facing subdomains for vulnerabilities and misconfigurations
External attack surface management platform for asset discovery and monitoring
Maps external attack surface including assets, dark web exposure, and leaks.
Passive pre-sale domain diagnostic tool for vCISOs, MSPs & MSSPs.
ASM platform for continuous discovery and risk validation of internet-exposed assets.
AI-powered EASM platform for digital asset discovery and monitoring.
Agentless EASM platform for asset discovery, exposure mgmt & risk reduction.
Amass is an open-source OWASP tool for comprehensive attack surface mapping and asset discovery through domain reconnaissance and subdomain enumeration.
Cloud_enum is a multi-cloud OSINT tool that enumerates publicly accessible resources across AWS, Azure, and Google Cloud platforms for security assessment purposes.
A Go-based tool for discovering and inventorying internet-facing AWS assets across single or multiple accounts to help maintain comprehensive cloud attack surface visibility.
A black-box reconnaissance tool that discovers cloud infrastructure, files, and applications across major cloud providers for security testing purposes.
A Python-based tool for external attack surface discovery and reconnaissance across large-scale networks, focusing on IP address and subdomain enumeration.
CloudScraper is an enumeration tool that discovers cloud storage resources including S3 buckets, Azure blobs, and DigitalOcean Spaces across target environments.
External attack surface management platform with continuous asset discovery
Internet intelligence platform for asset discovery and attack surface mapping
Attack surface mgmt platform with vuln scanning and cloud security features
SOCRadar Attack Surface Management is an EASM platform that continuously discovers, monitors, and assesses internet-facing digital assets for vulnerabilities and security risks.
Automated ASM tool for multi-cloud environments with continuous asset discovery
Active attack surface mgmt solution for discovering & remediating unknown risks
AI-driven EASM platform for discovering and monitoring external-facing assets
External attack surface management platform for asset discovery and risk detection
Platform for external attack surface management and application security testing
Discovers, monitors, and assesses external attack surface assets continuously.
Customizable ASM platform for asset discovery, monitoring, and enrichment
Internet-connected asset search engine with vulnerability scanning capabilities
Attack surface management platform for discovering and securing exposed assets
Attack surface management platform for asset discovery and vulnerability monitoring
EASM platform for continuous external attack surface monitoring and detection
External attack surface monitoring with dark web intelligence and scanning
Platform for continuous attack surface discovery, monitoring, and remediation
External attack surface mapping service to discover exposed digital assets
External attack surface scanning for MSPs to identify vulnerabilities
Scans public internet for leaked cloud service keys and verifies them
AI-powered EASM platform for discovering and prioritizing external risks
OSINT tool for mapping & monitoring risk ecosystems on Clear & Deep Web.
Continuous external asset discovery and monitoring with daily domain scans.
ZoomEye is an advanced cyberspace search engine that provides detailed information on cyberspace assets, including server software and version information, for cybersecurity experts, researchers, and enterprises.
A domain reconnaissance tool that automates subdomain discovery, port scanning, and monitoring with support for multiple data sources and notification integrations.
Website privacy and security testing tool for cookie and third-party analysis
Explore the top million websites, ranked by referring subnets, and gain insights into online influence and popularity.
WiGLE.net is a platform that collects and provides data on WiFi networks and cell towers, with over 1.3 billion networks collected.
A search engine for open Amazon S3 buckets and their contents, allowing users to search for files using keywords, filename extensions, and full path.
FullHunt is a next-generation attack surface security platform that enables companies to discover, monitor, and secure their external attack surfaces.
A technology lookup and lead generation tool that identifies the technology stack of any website and provides features for market research, competitor analysis, and data enrichment.
Common questions security professionals ask when evaluating alternatives and competitors to FestIn.
The most popular alternatives to FestIn include crt.sh, s3viewer, S3BucketList, 2tearsinabucket, and Detectify Surface Monitoring. These External Attack Surface Management tools offer similar capabilities and are frequently compared by security professionals evaluating their options.