Martijn Grooten

Cyber optimist. Researcher, reader, runner. Lapsed mathematician. Digital Security Threat Analyst at Internews. Also Coalition Against Stalkerware, Civilsphere Lab etc. He/they.

Martijn Grooten boosted:
VissViss
2025-06-04
Martijn Grooten boosted:
Etienne / Tektek@todon.eu
2025-05-19

Jordan bans 12 news sites for ‘spreading media poison’ following corruption report - Committee to Protect Journalists cpj.org/2025/05/jordan-bans-12

Martijn Grooten boosted:
2025-03-26

Silent Push, in collaboration with Team Cymru, has uncovered Raspberry Robin C2 domains by identifying key nameservers, domain naming conventions, and a combination of IP and ASN diversity patterns. silentpush.com/blog/raspberry-

Chart showing top-level domains (TLDs) for Raspberry Robin
Martijn Grooten boosted:
2024-11-06

Well, it is certainly shaping up to be an interesting evening. Do I know anyone in security at Grindr? If so, hit me up. I'm going to deal with my election anxiety by working.

Martijn Grootenmartijn_grooten
2024-10-03

@Jacob @GossiTheDog Virus Bulletin

Martijn Grootenmartijn_grooten
2024-10-03

I'm at my first big cybersecurity event since the pandemic. Naturally, I catch up a lot of gossip. People who turn out to be kinda shitty, that kind of stuff.
But I also learned through the gossip that @GossiTheDog really good people. So there's that too.

Martijn Grootenmartijn_grooten
2024-09-25

@riskybusiness @metlstorm @RGB_Lights I loved, loved that introduction 🙂

Martijn Grootenmartijn_grooten
2024-09-21

Lots of bad things to say about Elon Musk, but since he took over Twitter and made it an inhabitable place, I've had a lot more time to read books. Which, frankly, is awesome. Tonight, I reached my Goodreads goal of 75 books to read.

Martijn Grootenmartijn_grooten
2024-09-20

@cryptax Yay, see you there!

Martijn Grooten boosted:
2024-09-18

Backdooring thousands of pagers with explosives and then mass detonating those devices indiscriminately to injure often random humans does not feel like something any nation should be doing, supporting or celebrating. bbc.co.uk/news/live/cwyl9048gx

Martijn Grootenmartijn_grooten
2024-09-18

@riskybusiness thanks for mentioning the children who died in Lebanon as a result of the pager shenanigans.

Martijn Grooten boosted:
The Citizen Labcitizenlab
2024-09-11

Happening tomorrow: Join the Citizen Lab & CLTC Berkeley for a panel on the threats faced by transnational advocacy groups in the US that are targeted by state and state-related actors.

Moderated by @rondeibert, this discussion will feature Citizen Lab researchers @nouraaljizawi, Gözde Böcü & Nicola Lawford sharing key findings on the cybersecurity threat landscape.

Register here: eventbrite.com/e/enhancing-cyb

Martijn Grootenmartijn_grooten
2024-09-05

Hey! In case this is of interest to anyone, my partner is a (certified) life coach (also: life counseling, death coach). She has some availability and offers first sessions for free. Sessions can be in English, French or Arabic.
justaride.life/ instagram.com/justaride.life/

Martijn Grootenmartijn_grooten
2024-09-05

I can't express how excited I am about this: I'll be back at the @VirusBulletin conference next month, and will be doing a (small) talk even virusbulletin.com/conference/v

Martijn Grooten boosted:
2024-09-03

What was the best piece of technical security research published in the last year? Have your say by submitting a nomination for the 2024 Péter Szőr Award - nominations close 5 Sept! #CyberSecurity #InfoSec #CyberSecurityAward virusbulletin.com/conference/p

Péter Szőr Award
Martijn Grooten boosted:
2024-08-30

Working on new research? Have a hot topic to discuss? Now's the time to submit a last-minute presentation proposal for #VB2024 for a chance to share your work with fellow infosec professionals from around the world! CFP closes 2 Sept. #InfoSec #CyberSecurity virusbulletin.com/conference/v

Martijn Grooten boosted:
2024-08-28

We're excited to announce that #VB2024 opening & closing keynotes will be delivered by @runasand and @brianhonan, repectively. VB2024 takes place in Dublin 2-4 Oct - there's still time to register, submit a last-minute paper (CFP closes 2 Sept) or poster! virusbulletin.com/conference/v

VB2024 Dublin. 2-4 October 2024. Dublin, Ireland.
Martijn Grooten boosted:
2024-08-27

The international nature of #VB2024 makes it a great place to share your research with the security community. The call for last-minute papers is open until 2 Sept - submit a proposal now for a chance to be on stage sharing your research! virusbulletin.com/conference/v

VB2024 Dublin 2-4 October 2024. Call for Last-Minute Papers open!
Martijn Grootenmartijn_grooten
2024-08-06

For those keeping track, I'm not going to make it to Vegas this year. Have fun if you go.

Martijn Grootenmartijn_grooten
2024-08-04

This week has been... a lot.

Red cable bridge over a river with some red lights

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