Alex Olsen
@appSecExp
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Cyber Security | Penetration Testing | AppSec | Content Creator | Caffeine & Code.
London
Joined August 2023
Travelling into London by local train = delays everyday Travelling across 3 other European countries by train = smooth af π€·
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LIVE Hacking & Cybersecurity | AppSec | https://t.co/pJa7lGbVCc
twitch.tv
AppSec stuff https://linktr.ee/appsecexplained
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5mins after getting home from my Belgium trip βΊοΈ itβs nice to be missed!
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What if we told you that just a single HTML tag could quietly reroute a userβs CSS, JavaScript, images, and even their form submissions to a server that we control, but without any #XSS? Enter Base Tag Injection. Watch this video by Alex (@appSecExp) to see exactly how it works.
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So tired of weeding the patio...so I got myself a weed burner. Legit it feels like this π
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Looking for a resource to learn #PowerShell? Andrew Prince's got you: https://t.co/KJUCk9S2Pc Today's video serves as a primer into the powerful and versatile Windows framework. Add it to your skillset today by watching this quick course, and go even further with the cheat
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Happy to announce that @0xTib3rius is being super supportive of my first sticker creation and will be helping me print and pass them out π€©
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Simple one-liner to auto-calculate your target's favicon hash to find similar assets! π€ π
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Studying for cybersecurity might seem intense, and it's hard to work up the motivation when you're busy as is. But what if we told you, it wasn't about motivation? Today, Alex (@appSecExp) has some tips to share about how to fit #cybersecurity studying in, even when you have a
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π£πΆπ°πππΏπ² ππ΅πΆπ: Youβre installing a popular #JavaScript library. Shortly after installation, you discover it has been stealing your secrets, mining crypto, or opening a backdoor on your machine.Β This is just how supply chain attacks often unfold in the Node.js
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Blind CSS exfiltration attacks recently got a lot easier! Full details in this thread:
I think many people are familiar with the topic of blind CSS exfiltration, especially after the post by @garethheyes However, an important update has occurred since then, which I wrote below ->
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