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Research & Threat Intel

Announcing Android Vulnerability Test Suite

By Amy Schurr / September 14, 2017 / Comments Off on Announcing Android Vulnerability Test Suite

We have developed a testing suite for detecting the vulnerabilities of Android devices.

Android buckles down and iOS opens up? Trends in platform security affecting developers

By NowSecure Marketing / August 24, 2017 / 0 Comments

Monday night, NowSecure Director of Research David Weinstein highlighted key trends in Android and iOS security in 2016 and participated in a panel discussion during Security by Design’s event “iOS and Android Security – Differences You Need to Know” in McLean, VA. Security by Design educates developers about secure development practices by connecting them with security experts at […]

New Mobile Risk: Decryption key published for iOS Secure Enclave Processor

By Andrew Hoog / August 18, 2017 / Comments Off on New Mobile Risk: Decryption key published for iOS Secure Enclave Processor

A researcher published the decryption key for the iOS Secure Enclave Processor exposing a critical new risk within the iOS operating system. We’ve verified this information and explained its impact.

Raspberry PI hang instruction

By NowSecure Marketing / August 16, 2017 / Comments Off on Raspberry PI hang instruction

Some tips from one of our security pros.

World Writable Code Is Bad, MMMMKAY

By NowSecure Marketing / August 10, 2017 / 0 Comments

Introduction One of the core designs of the Android operating system’s sandbox is to assign different applications a unique user identifier (UID). By doing this, Android reuses the underlying Linux kernel and filesystem properties to enforce boundaries. There are certain situations where apps may share the same UID, but that requires they be signed with […]

Reverse Engineering with JavaScript

By NowSecure Marketing / August 5, 2017 / Comments Off on Reverse Engineering with JavaScript

A security researcher’s tips for using JavaScript for reverse-engineering.

Remote Code Execution as System User on Samsung Phones

By NowSecure Marketing / June 16, 2017 / Comments Off on Remote Code Execution as System User on Samsung Phones

We examine a security vulnerability of Samsung devices.

A Pattern for Remote Code Execution using Arbitrary File Writes and MultiDex Applications

By NowSecure Marketing / June 15, 2017 / Comments Off on A Pattern for Remote Code Execution using Arbitrary File Writes and MultiDex Applications

We examine vulnerabilities that allow attackers to execute code remotely on an Android userUs device.

Android Instant Apps: The security jury is out

By NowSecure Marketing / May 19, 2017 / Comments Off on Android Instant Apps: The security jury is out

The convenience of Instant Apps is appealing, but attackers will view it as a shiny new attack vector, and for me the security jury is still out.

OWASP iOS crackme tutorial: Solved with Frida

By Amy Schurr / April 27, 2017 / Comments Off on OWASP iOS crackme tutorial: Solved with Frida

In this post I explain step-by-step how I solved the OWASP Mobile Security Testing Guide (MSTG) Crackme Level 1 using Frida (and how I then automated it).