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Latest Posts

Writeup: - Help

| ctf, hackthebox, writeup

Writeup on the challenge box “Help” from

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egress0r - DLP/FW Test Suite

| egress0r, open-source, DLP

The Data-Loss-Prevention and Firewall Test Suite aka “egress0r

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Don't Click Shit (English)

| security, dontclickshit,

Weak passwords, unencrypted communication channels and suspicious files. Learn more about how to stay safe online.

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Don't Click Shit (German)

| german, security, dontclickshit

Schwache Passwörter, unverschlüsselte Kommunikation und verdächtige Dateien. Erfahren Sie wie Sie Ihr Onlineleben sicherer gestalten können.

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cyllective, short for "cybernetic-collective", was founded in 2013 as an independent consulting firm in the information protection and IT security sector. Our team has been working together for many years on various projects and with consortia all over the world.

We strive to bring more transparency to the international security sector and to foster our clients in their individual needs, as well as the community at large.

We are committed to establish strong relationships with our peers, by delivering best-of-class contributions to your venture.


We're looking forward to hear from you. You can reach us by phone, mail or e-mail.

During business hours we can be reached under +41 32 512 00 52 or drop us your number via a message (e-mail and we will call you back as soon as possible.

In urgent cases (e.g. Firewall on fire, active threat actors in your network, etc.) contact our Computer Emergency Response Team directly via phone on +41 32 512 00 52.

Tel: +41 32 512 00 52

Business Hours
08:00 - 17:00 CEST
06:00 - 15:00 UTC  

cyllective AG
Neustadtstrasse 7
6003 Luzern

cyllective AG
Bahnstrasse 44
3008 Bern