Security Articles

  • authorization1

    Authorization at LinkedIn’s Scale

    March 19, 2019

    LinkedIn members entrust us with their personal data and we are committed to working hard every day to maintain that trust within a safe, professional environment. One crucial aspect to earn and maintain that trust lies in how well we secure our online systems and protect our data from unauthorized exposure. LinkedIn runs a microservice architecture, in which...

  • featuredimage7

    Defending Against Abuse at LinkedIn’s Scale

    December 6, 2018

    LinkedIn is committed to building a safe, trusted, and professional environment. Building the infrastructure to detect and mitigate abuse at LinkedIn’s scale brings with it a number of interesting challenges that require us to often think outside the box and craft new ways of integrating defenses throughout our product. In this post, we’ll provide a high-level...

  • fakeaccounts1

    Automated Fake Account Detection at LinkedIn

    September 12, 2018

    To maintain a safe and trusted professional community on LinkedIn, we require that every LinkedIn profile must uniquely represent a real person. One of the ways we ensure that accounts are real is by building automated detection systems at scale for detecting and taking action against fake accounts. The Anti-Abuse team at LinkedIn creates the systems that allow...

  • security-champions-1

    Scaling LinkedIn's Security Champions Program

    April 26, 2018

    Co-authors: Pavi Ramamurthy and Angel Liu   Three years ago, LinkedIn was looking to boost its internal security initiatives and...

  • phishing-1

    How LinkedIn is Working to Address Confusion Between Vendor...

    February 15, 2018

    Companies have been warning their employees about phishing and trying to train them to detect these attacks for the past decade. But...

  • featuredimage7

    Open Sourcing Jaqen, A Tool For Developing DNS Rebinding...

    July 27, 2017

    Editor’s note: Members of the information security team at LinkedIn have an opportunity to work on research topics under a...