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How to Keep Your Business Secure During the COVID-19 Pandemic
The COVID-19 news has many more office workers in the United States working remotely as we all adhere to the social distancing recommendations put forth to reduce the spread of the virus. Today, more than ever, business data lives outside the perimeter of an office location. With so many working remotely, organizations are being forced to look critically at their remote work security. From an attacker’s viewpoint, bu...
by Daniel Wood on Mar 16, 2020 5:55:06 PM
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Gerben Kleijn

Gerben Kleijn

Gerben Kleijn (OSCP, CISSP) is a Managing Security Associate for Bishop Fox, where he primarily focuses on external network penetration tests and web application assessments, as well as cloud deployment reviews for Amazon Web Services (AWS). He has advised Fortune 500 brands and startups in industries such as media, retail, and software in addition to popular websites, credit reporting agencies, and marketing platforms.

Recent Posts by Gerben Kleijn:

Escalator to the Cloud: 5 Privesc Attack Vectors in AWS

Escalator to the Cloud: 5 Privesc Attack Vectors in AWS

by Gerben Kleijn

In 2018, Spencer Gietzen identified 21 methods across various AWS services that could lead to privilege escalation. Since then, I’ve often referred to Spencer’s article during engagements as I look …

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An Introduction to AWS Cloud Security

An Introduction to AWS Cloud Security

by Gerben Kleijn

Amazon Web Services (AWS) isn’t the novelty it was a decade ago. Resource-intensive, computer-heavy work today flows upward from giant enterprises 24/7 to the nebulous cloud where its processed by …

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A Guide to AWS S3 Buckets Security

A Guide to AWS S3 Buckets Security

by Gerben Kleijn

Avoid Common Mistakes When Deploying Cloud-based Services Download the full PDF guide here The Threat of Poor AWS S3 Buckets Security If your organization uses Amazon Web Services (AWS), it …

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