Security

Lumana provides hybrid-cloud video security with AI agents for camera monitoring, safety, and operational alerts.

Forta provides onchain threat detection, automated response, and fraud prevention for protocols, rollups, and digital assets.

ANY.RUN offers a cloud-based malware analysis sandbox and threat intelligence for examining suspicious and malicious activity.

DNSCrypt secures communication between DNS clients and resolvers, with project downloads for DNSCrypt and DNS-over-HTTPS servers and clients.

TracerouteVisualizer maps network traceroute paths and displays the route between a device and a destination.

RockawayX invests in Web3 ventures and provides blockchain infrastructure, liquidity, and engineering support for protocols and founders.

IPv6 Leak Test checks whether a device has IPv6 connectivity and displays connection information related to privacy.

This GitHub list curates GPT agents designed for cybersecurity work and related security tasks.

Review a list of vendors that charge extra for single sign-on, with an explanation of SSO and its security role.

Safe Wallet uses multisignature approvals for self-custody and onchain asset management.

GreyNoise analyzes untargeted internet scanning and attack activity reaching servers connected directly to the internet.

Rekt publishes investigative journalism and commentary on crypto incidents, with a ranked archive of major blockchain losses.

How DNSSEC Works explains DNS Security Extensions through an illustrated guide to its purpose and operation.

AlphaPing operates non-custodial on-chain credit vaults with defined risk constraints, verifiable accounting, and liquidity rules.

Research a website’s age and track its changes with URL Dater, which combines information from multiple sources.

Host an authoritative or recursive DNS server with Technitium, an open-source server that can also block ads and malware.

Greywall provides a deny-by-default sandbox for AI coding agents, with kernel-enforced isolation on Linux and macOS.

Security and best-practice issues in container images can be checked with Dockle.

This online generator creates UUIDs in versions 1, 3, 4, 5, 6, and 7 for use in applications and data records.

Search a community-curated collection of bug bounty writeups and learning resources.

The Optimism blog shares company updates and articles about OP Mainnet, blockchain payments, and the Optimism ecosystem.

This GitHub list curates cryptography resources and links for people exploring the field.

AllSafe provides an intentionally vulnerable Android app for security testing and practice.

Grype scans container images and filesystems for vulnerabilities; its repository lists container and security topics.