Jeroen Gui 

129 Followers
477 Following
287 Posts
Computer science student, musician, tech enthousiast and online threat hunter.
If you want to support the work I do: http://Ko-fi.com/jeroengui
Site/bloghttps://jeroengui.be
Twitter@jeroengui
Linkedinhttps://www.linkedin.com/in/jeroen-gui/
Githubhttps://github.com/jeroengui

👨 Meet @jeroengui: student, founder of JustGuard, and a 🥇 top contributor to Spamhaus’ Threat Intel Community Portal!

Every month, he submits thousands of malicious domains, URLs, and email sources - all to make the internet a safer place. 🌍🔒

But what drives him to do it, and how can you get involved too? Read his story here 👇
https://www.spamhaus.org/resource-hub/threat-intelligence/how-i-m-fighting-cybercrime-with-spamhaus-and-how-you-can-too/

#SharingIsCaring #CyberSecurity #ThreatIntel #Infosec

🚨 Turning the tables on a phishing campaign 🚨

I had a lot of fun writing this blog post about how I hijacked an active phishing campaign that used an interesting technique to bypass email security filters.

A deep dive into how attackers operate… and how we can outsmart them.
Check it out below! ⬇️
https://justguard.be/blog/posts/unregistered-domains

Would love to hear your thoughts, feel free to share!
hashtag#CyberSecurity hashtag#Phishing hashtag#ThreatIntelligence

Hijacking a phishing campaign: Beating cybercriminals at their own game

JustGuard | Protect your business from cyber threats with JustGuard's threat detection and takedown solutions, and automated threat analysis services.

There is no such thing as a backdoor for good guys. Once you place a backdoor, you compromise the safety and privacy of all your users. A third party or bad guys will get access to it and abuse it further. The concept of a "backdoor for good guys" is fundamentally flawed and dangerous. It sets a dangerous precedent. Security and privacy should be absolute. There's no safe way to create a backdoor that can't be exploited by malicious actors. #privacy #security #infosec

I mean, if an EU citizen’s initiative to tax the rich cannot get a paltry 1 million signatures (less than one quarter of one percent of the population), I guess we really must deserve this bullshit system.

You still have five days, sign this ffs:

https://eci.ec.europa.eu/038/public/#/screen/home

#eu #TaxTheRich #billionaires #fascism #ecocide

What if I told you that a 32 year old German woman unexpectedly pulls out a knife and starts to stab passengers in a bus, injuring 6 passengers, three critically. Three muslimas, fearing for their children, throw themselves at this woman, manage to wrestle the knife away from her and keep her down until the situation can be resolved. Oh? You didn't hear about that? Well. It just happened. Last Friday. (article in German) https://www.t-online.de/nachrichten/panorama/kriminalitaet/id_100479780/siegen-drei-muslimische-muetter-stoppten-messer-angreiferin.html
Bei Messerangriff in Siegen wurden drei Mütter zu Heldinnen

Zwei Opfer des Messerangriffs schweben noch in Lebensgefahr. Jetzt wird bekannt: Drei muslimische Frauen verhinderten wohl Schlimmeres.

www.t-online.de

Let the medals rain!

We just hit the 80 mark in the EU countries’ medal counter!

Congratulations to the amazing performances by the European athletes at the #Paris2024 Paralympic Games so far.

They are a testament to what determination, teamwork, and unity can achieve. Together, we are stronger.

🇪🇺84
🇫🇷17
🇮🇹15
🇪🇸11
🇳🇱10
🇵🇱5
🇩🇪5
🇩🇰4
🇬🇷4
🇨🇿3
🇸🇰2
🇧🇪2
🇧🇬1
🇭🇺1
🇸🇮1
🇨🇾1
🇮🇪1
🇦🇹1

Update: everything is back online

According to Hostinger it was due to a false positive suspension of the wrong service on my account

I don't know what that exactly means, but the suspension has been revoked and in the end that's the only thing I was worried about.

Yesterday I send out a phishing report for a website using Hostinger services.

This morning I woke up with an e-mail informing me that the phishing site had been suspended. At the exact same time I received 2 e-mails informing me that my hosting plan had been suspended for "abuse".

I sincerely hope this was a mistake and #hostinger fixes this soon.

In the meantime my websites won't be accesible and e-mails to @jeroengui.be won't reach me.

President Biden “calling for three bold reforms to restore trust and accountability” in SCOTUS, the White House announces. https://www.whitehouse.gov/briefing-room/statements-releases/2024/07/29/fact-sheet-president-biden-announces-bold-plan-to-reform-the-supreme-court-and-ensure-no-president-is-above-the-law/
FACT SHEET: President Biden Announces Bold Plan to Reform the Supreme Court and Ensure No President Is Above the Law | The White House

From his first day in office—and every day since then—President Biden has taken action to strengthen American democracy and protect the rule of law. In

The White House

Wild, true story from the security awareness and training company KnowBe4 that details how they inadvertently hired a North Korean hacker who was posing as a Western tech worker.

Kudos to them for publishing this. If it can happen to a security awareness company, it can happen to anyone (full disclosure: they've been an advertiser on my site for ages).

https://blog.knowbe4.com/how-a-north-korean-fake-it-worker-tried-to-infiltrate-us

How a North Korean Fake IT Worker Tried to Infiltrate Us

How a North Korean Fake IT Worker Tried to Infiltrate Us