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Unlock the State of Pentesting 2023! Explore 3,100 pentests with expert insights on vulnerabilities, security challenges, & maximizing pentest value.

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Pentester Insights: Deep Dive in Web Cache Poisoning Attacks

Hacking Web Cache - Deep Dive in Web Cache Poisoning Attacks

Web cache poisoning is an attack where an attacker takes advantage of flaws in the caching mechanism. They attempt to store an altered and malicious response in the cache entry, forcing the website to serve malicious information to its users.  Core Pentester Harsh Bothra deep dives into these attacks and remediations.
Pentester Guides Community
Jan 31, 2023
Est Read Time: 11 min
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OAuth Vulnerabilites Pt. 1

Welcome to part one of OAuth Vulnerabilities. Core Pentester Shubham Chaskar overviews Oauth, commonly used grant types, entities, misconfiguration, and more.
Pentester Guides Community
Jan 23, 2023
Est Read Time: 10 min
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Then & Now: Harsh Bothra

Core Pentester Harsh Bothra joined Cobalt a little over two years ago. Since then, he has become a Pentest Lead and worked on endless engagements. He takes this time to reflect on how things have changed since his first test.
Pentester Stories Community
Jan 19, 2023
Est Read Time: 3 min
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A Dive into Client-Side Desync Attacks

A client-side desync, a.k.a CSD, is an attack in which the victim's web browser is tricked into desynchronizing its connection to the vulnerable website. Core Pentester Harsh Bothra takes a look at how attackers can find these vulnerabilities in the wild.
Pentester Guides Community
Jan 16, 2023
Est Read Time: 7 min
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Deep Dive into GraphQL Pt. 2

Welcome to part two of GraphQL! Core Pentester Michael Adcock tackles our newest deep dive into the open-source data query.
Pentester Guides Community
Jan 9, 2023
Est Read Time: 6 min
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2023 Q1 Pentester of the Quarter: Sanyam Chawla

Congratulations to Sanyam Chawla for winning the Pentester of the Quarter Award for Q1. Sanyam was nominated by his peers due to being a great teammate and leader in the Core.
Pentester Stories Community
Jan 6, 2023
Est Read Time: 3 min
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A Pentester's Guide to Prototype Solution Attacks

A Pentester’s Guide to Prototype Pollution Attacks

Core Pentester Harsh Bothra guides us through prototype pollution attacks in his latest blog. This covers a security vulnerability that allows attackers to exploit JavaScript runtimes.
Pentester Guides Community
Jan 2, 2023
Est Read Time: 8 min
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2022 Pentester Spotlight Recaps

With 2023 just around the corner, we wanted to reflect on our Pentester Spotlights from this year. Our Pentester Spotlight series is focused on highlighting the Cobalt Core Pentesters and putting a face to their work
Pentester Stories Community
Dec 30, 2022
Est Read Time: 3 min
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Pentester Spotlight: Saad Nasir

Pentester Spotlight: Saad Nasir

Saad Nasir has been a member of the Cobalt Core for a little over six months. He has contributed to Cobalt's content pieces and was recently featured on the Hacker Corner podcast.
Pentester Stories Community
Dec 28, 2022
Est Read Time: 3 min
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