It's for security.txt

See https://securitytxt.org/

Acknowledgments : A link to a web page where you say thank you to security researchers who have helped you.

It's security issue see on :

• 1 - https://aventures.cyber-neurones.org
• 2 - https://fit.cyber-neurones.org
• 3 - https://git.cyber-neurones.org
• 4 - https://glance.cyber-neurones.org
• 5 - https://grafana.cyber-neurones.org
• 6 - https://insta.cyber-neurones.org
• 7 - https://lemmy.cyber-neurones.org
• 8 - https://move.cyber-neurones.org
• 9 - https://mqtt.cyber-neurones.org
• 10 - http://munin.cyber-neurones.org
• 11 - https://my.cyber-neurones.org
• 12 - https://pe1800ip.cyber-neurones.org
• 13 - https://photos.cyber-neurones.org
• 14 - https://potdemiel.cyber-neurones.org
• 15 - https://sat.cyber-neurones.org
• 16 - https://secure.cyber-neurones.org
• 17 - https://timeline.cyber-neurones.org
• 18 - https://webanalyse.cyber-neurones.org
• 19 - https://www.cyber-neurones.org