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Moin! Dies ist die Mastodon-Instanz für Nordlichter, Schnacker und alles dazwischen. Folge dem Leuchtturm.

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#cybersecurity

727 posts332 participants73 posts today
Public
The New Oil

#Web3.0 Requires Data Integrity

schneier.com/blog/archives/202

Schneier on Security · Web 3.0 Requires Data Integrity - Schneier on SecurityIf you’ve ever taken a computer security class, you’ve probably learned about the three legs of computer security—confidentiality, integrity, and availability—known as the CIA triad. When we talk about a system being secure, that’s what we’re referring to. All are important, but to different degrees in different contexts. In a world populated by artificial intelligence (AI) systems and artificial intelligent agents, integrity will be paramount. What is data integrity? It’s ensuring that no one can modify data—that’s the security angle—but it’s much more than that. It encompasses accuracy, completeness, and quality of data—all over both time and space. It’s preventing accidental data loss; the “undo” button is a primitive integrity measure. It’s also making sure that data is accurate when it’s collected—that it comes from a trustworthy source, that nothing important is missing, and that it doesn’t change as it moves from format to format. The ability to restart your computer is another integrity measure...
#cybersecurity
Public
David J. Bianco (He/Him)

In case you're not up-to-speed on what #FastFlux #DNS is, it's part of the arms race between attackers and defenders:

THREAT ACTOR: This is my C2 IP
BLUE TEAMER: Blocked at the firewall

TA: Ok, well then, here's my C2 domain. I've rented 50k botnet nodes to use as proxies to my real C2 infrastructure, and I'm going to keep changing the IP the domain points to basically forever. Good luck blocking that. [FAST FLUX]
BT: Blocked the domain's nameserver's IPs at the firewall

🧵

#cybersecurity
Public
Redhotcyber

🔥 ISCRIVITI AL WEBINAR DEL CORSO ETHICAL HACKER EXTREME EDITION

💻 La nuova Extreme Edition è il programma completo che ti porta dalle basi agli attacchi più avanzati, in 34 settimane di formazione blended learning, in italiano, con accesso esclusivo alla piattaforma HackMeUp! 🚀

🔹 5 anni di accesso a 50+ scenari di hacking
🔹 Lezioni avanzate su tecniche e strategie d’attacco
🔹 Piano quinquennale per il mantenimento della certificazione professionale

📅 WEBINAR 8 APRILE 2025 ORE 18

cybersecurityup.webinargeek.co

📞 3755931011 ✉️ e.picconi@fatainformatica.it

#redhotcyber#rhc#webinar
Public
The Spamhaus Project

Every month, thousands of suspicious and malicious domains, URLs, and raw email sources are shared with Spamhaus. One of the key people behind this effort? Jeroen Gui: student, founder of JustGuard, and a 🥇 top contributor to Spamhaus’ Threat Intel Community Portal.

Read his story here and find out how you too can help make the internet a safer place: 👇
spamhaus.org/resource-hub/thre

#SharingIsCaring#CyberSecurity#ThreatIntel
Public
shellsharks

The 10th edition of Scrolls is now live!

https://shellsharks.com/scrolls/scroll/2025-04-04

Thanks as usual to everyone who continues to awesome it up each week across the #IndieWeb, #Fediverse and #Cybersecurity / #Infosec communities. WIthout you all, my feeds would be dark and this newsletter wouldn't exist. Everyone below contributed in some way, so thanks! 🤗

@thisismissem @lown @ov @chadswhite @stammy @sharan @bixfrankonis @travisj @mttaggart @_elena @preslavrachev @mttaggart @Xkeeper @thesmallweb @jadedtwin @funkwhale @gynvael @hamatti @Soblow @JuliusGoat @flamed @maya @j @chuckya @StuntmAEn_Bob @predrag @shaferbrown @mho @pedoneb @lazcorp @jasonsantamaria @gedankenstuecke @securestep9 @annie @lars

shellsharks · Scroll decem
More from shellsharks
Public
BeyondMachines :verified:

RansomHub ransomware group targets Minnesota's Lower Sioux Indian community
#cybersecurity #infosec #incident #ransomware
beyondmachines.net/event_detai

BeyondMachinesRansomHub ransomware group targets Minnesota's Lower Sioux Indian communityThe Lower Sioux Indian Community in Minnesota is experiencing widespread operational disruptions following a ransomware attack claimed by the RansomHub operation, which has crippled their healthcare facilities, government functions, casino and hotel systems, digital gaming machines, and communication infrastructure since March 28, 2025. This incident appears to be part of a concerning trend targeting tribal communities, following a similar attack against Michigan's Sault Tribe of Chippewa Indians a month earlier.
Public
ChiefGyk3D

I constantly get asked what cert to get to land a cybersecurity job. Truth is: certs help, but they’re not everything. Learn to apply the knowledge. Homelab, document on GitHub/blog, and most importantly—network. I’ve been in this field nearly a decade. First cert? CISSP—last year. #Cybersecurity

Continued thread
Public
Minnesota Spy Club

After Loomer's recommendations, the Administration fired additional NSC employees including Brian Walsh, a director for intelligence; Thomas Boodry, a senior director for legislative affairs; & David Feith, a senior director overseeing technology and national security. (2/2)

#Intelligence #Cybersecurity #Fascism

cnn.com/2025/04/03/politics/ns

CNN · White House fires three NSC staffers after president meets with far-right activist Laura LoomerBy Katie Bo Lillis
Public
Minnesota Spy Club

In the ongoing assault on governmental institutions & on the advice of far-right Islamophobe agitator Laura Loomer, Trump has fired multiple Intelligence employees, including 4 Star General Timothy Haugh (commander of US Cyber Command & Director of the NSA) and Wendy Noble (NSA civilian Deputy Director). (1/2)

#Intelligence #Cybersecurity #Fascism

bbc.com/news/articles/ckgerl18

The White House
www.bbc.comTrump administration fires National Security Agency chiefFar-right activist Laura Loomer, who met with Trump on Wednesday, said Gen Timothy Haugh was fired because he was "disloyal".
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