Security

isMalicious checks IP addresses, domains, URLs, emails, phone numbers, and cryptocurrency wallets against threat intelligence data.

Remove tracking elements from URLs automatically with the ClearURLs browser extension.

B.Protocol Curator tracks data associated with B.Protocol's backstop pools for monitoring.

OnionShare uses Tor to share files anonymously, host websites, and chat with others.

EverRise develops bridging and security applications for DeFi protocols across BNB Chain, Ethereum, Polygon, Fantom, and Avalanche.

OtterSec audits blockchain systems, including layer-one networks, wallets, DeFi protocols, bridges, and related infrastructure.

SpiderSuite provides web crawling, interception, and analysis tools for security testing.

Favicon Hash generates a hash from a website favicon for use in Shodan searches.

The OSINT Toolkit bookmarklets run browser searches and tasks without requiring users to log in to the toolkit.

Anvil runs a local Ethereum node for development and testing, with in-memory execution, funded accounts, instant mining, and chain forking.

tzBTC publishes custody addresses and circulation data so users can review the Bitcoin backing its token supply.

CrypTool provides online cryptology tools and links to documentation, education, and books.

Statemind audits smart contracts and researches blockchain systems, with published work on Vyper fuzzing and Curve stablecoin.

Hacker101 offers a free web security class with lessons and Capture the Flag challenges.

Ensuro offers digital insurance for embedded protection; its site reports policies sold and premiums collected.

Shodan indexes internet-connected devices and services, with search tools for examining exposed infrastructure.

Browse sample photos and camera settings for different photography cameras and lenses.

StarkWare develops STARK proof technology for blockchain scalability, security, and privacy, with products including Starknet and StarkEx.

Test a browser for privacy leaks, including exposed IP addresses, device information, and fingerprinting risks.

LocalBitcoins has closed its Bitcoin trading service, according to the site notice.

Customize Firefox with Phoenix, a set of configurations and modifications focused on privacy, security, and usability.

Fraunhofer FKIE maintains Malpedia, a reference that organizes information about malware families.

Discover hosts and map networks with Nmap, a network exploration and security scanning tool.

See what information a website can access from your browser with Webkay, a browser data demonstration.