The Best F-Secure Alternatives in 2026

Have I Been Pwned publishes a corpus of previously breached passwords so services can check and block passwords that appear in known breaches.

Use Mozilla Monitor tools to check exposed personal information and learn how to respond to breaches.

isitPhishing analyzes a URL from a phishing email and reports whether the linked website may be risky; the service is free for noncommercial use.

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

AdGuard Mail provides email forwarding with aliases and temporary addresses to help keep a personal email address private.

YOPmail generates temporary email addresses for anonymous use, allowing visitors to hide their personal email address.

Get temporary email addresses with Zemail to receive messages without registration and keep a personal inbox private.

AdGuard Temp Mail provides a free disposable email address for reducing spam and protecting personal data, alongside AdGuard Mail apps.

Tuta offers encrypted email, calendar, and contacts, with apps that the site says protect personal data using end-to-end encryption.

10 Minute Mail provides temporary email addresses that expire after ten minutes, helping keep spam and advertising mail out of a personal inbox.

This Python tool visualizes phishing networks by querying the PhishStats API and mapping URLs, domains, hosts, IP addresses, and related data.

Check whether an IP address is associated with a VPN, proxy, Tor, or bot through Focsec’s detection API.

Test-IPv6 checks whether a browser and network connection can reach IPv6 resources.

IsLegitSite checks whether a website may be a scam and reports its reputation through the Site Trustworthiness API.

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

A database of IP addresses that have been part of the Tor network. It answers the question whether there was a Tor relay running on a given IP address

WireSock Secure Connect is a VPN client for Windows, with free personal and educational use and separate licensing for business use.

Deploy Algo, a self-hosted personal VPN server designed by Trail of Bits for ease of setup and secure connections.

Disroot provides secure email accounts that can be accessed through desktop email clients or its webmail interface.

SmailPro creates receive-only temporary Gmail and Outlook addresses for trials and verification without exposing a personal inbox.

Scamalytics checks IP addresses for fraud risk and proxy profiles, with website lookups, an API, and database options for businesses.

Privacy Bee scans for exposed personal information and submits removal requests to data brokers and other sites, with a free exposure scan.

Use the IntelTechniques Data Removal Workbook to request removal of personal information from data brokers and reporting agencies.

DeleteMe offers a service to remove personal information from the internet and data brokers, with options for individuals and businesses.