7ASecurity Completes ArgoVPN Audit

This blog post summarizes a whitebox security review conducted by 7ASecurity against the ArgoVPN platform. What is ArgoVPN? ArgoVPN is a free VPN with an unlimited bandwidth that is developed for Android devices. It allows users to visit blocked websites, online services, social media and messaging apps. The developers designed ArgoVPN to meet the needs …

7ASecurity Completes Mozilla K-9 Mail Audit

7ASecurity had the privilege to collaborate with the Open Source Technology Improvement Fund (OSTIF), as well as the K-9 Mail and Thunderbird teams at Mozilla, in a recent security audit of the Mozilla K-9 Mail application. What is K-9 Mail? K-9 Mail is an open source email application that runs on most Android devices. Ideally, the application is reliable, intuitive and secure …

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Free Pentest Contest 2023

We are thrilled to announce the return of the Free Pentest Contest for 2023: This is your chance to win a complimentary, professional pentest and fortify your defenses against cyber threats 100% for free, no strings attached. In short: The winner gets a 100% free pentest, with no less than the usual quality of our …

XMPP MitM attack via PLAIN mechanism

Are you testing MitM of an old protocol that starts using clear-text communications?You should consider spoofing server replies with some downgrade attack! This old trick still works sometimes against protocols that like:XMPP, SMTP, POP3 and others Let’s illustrate this with an XMPP example from the field 🙂 Introduction: In XMPP, credentials are not supposed to …

What does a 7ASecurity penetration test look like?

Do you have doubts about the security of your applications and systems? This is not just necessary for compliance such as ISO 27001 or SOC2: As attackers continue to develop new methods to exploit vulnerabilities, it’s crucial to keep up with the game. At 7ASecurity, we offer penetration testing services to help you stay ahead …

minivpn OpenVPN Go client Pentest Report

This blog post summarizes a whitebox security review conducted by 7ASecurity (an OTF Red Team Lab partner) against the implementation of the minivpn OpenVPN implementation. What is minivpn OpenVPN minivpn is a minimalistic OpenVPN implementation in Go (an open source programming language) that eliminates privilege escalation attacks by design, as it runs with the permissions of the regular user. …

Amnezia VPN Pentest Report (Mobile & Desktop apps)

This blog post summarizes a whitebox security review conducted by 7ASecurity (an OTF Red Team Lab partner) against the implementation of the Amnezia VPN clients. What is AmneziaVPN AmneziaVPN is a multi-protocol open-source VPN client that allows users to configure their own servers. The primary difference between AmneziaVPN and other VPN solutions is that the …

7ASecurity, OTF Red Team Lab partner, completes Blackbox Pentest and Privacy Audit of LeaveHomeSafe App.

Update 2022-08-22: 7ASecurity completed a comprehensive retest performed against LeaveHomeSafe 3.4.0, where most issues, including the critical one, were confirmed to remain unfixed. However, some medium severity findings were silently patched without notifying the public. Update 2022-07-29: In light of the public statement from the Hong Kong CIO, 7ASecurity confirmed the latest version of LeaveHomeSafe (3.3.0) remains vulnerable …