Arsen Security @arsen
🛡️ Security Awareness for the age of AI — ✨ AI-driven vishing, smishing, and phishing — 🌐 https://t.co/9Y3cjzpwhL arsen.co/en 🇺🇸 USA 🇬🇧 UK 🇫🇷 France Joined March 2020-
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As targeted social engineering attempts become more common, we are seeing an increase in the number of crypto companies knocking on our doors. The attack surface is not the blockchain but the people behind it. arsen.co/en/blog/humani…
#Web3 @Humanityprot & @Quantstamp dropped a thorough postmortem on the "$H" token compromise. Root cause? Spear-phishing. No technical vulnerability was exploited, just one targeted email. Our breakdown below 👇
☎️ Voice spearphishing is becoming the #1 initial access tactic used by bad actors. With AI making voice impersonation easier than ever, attackers are just one phone call away. Try our playground for free and find out how secure you really are. 👇 arsen.co/en/resources/a…
🚨 UNC3753 is targeting US law firms using vishing and RMM tools for data extortion. In instances linked to UNC3753, individuals posing as IT technicians attempted direct data theft using physical, in-person access. Read more & get IOCs ➔ goo.gle/49HfT8g
Your most vulnerable attack surface is your team. arsen.co/en/blog/micros…
Follow-up training, personalized to what each employee actually did, completes the cycle. Not a generic module blasted to everyone. The right lesson, for the right person, at the right moment.
MFA doesn't protect you if your users approve access themselves. Here's how attackers are hijacking @Microsoft365 & @Azure OAuth, and what to do about it. 🧵
Crypto, blockchain, and DeFi companies operate in an environment of irreversible settlement, distributed counterparties, and fragmented security frameworks. That creates an ideal attack surface. Attackers know it. So do we. Here's our solution: arsen.co/en/industries/…
Crypto, blockchain, and Web3 companies are targeted by social engineering attacks. Irreversible transactions & distributed teams make them targets. 40% of crypto security incidents stem from social engineering. @arsen fixes this.
Over $200 million in financial losses were attributed to deepfakes in Q1 2025, and 44% of financial professionals have already reported deepfake-driven fraud. Here are three concrete controls you can deploy: arsen.co/en/blog/deepfa…
We got tons of notifications because @arsenal qualified for the #UCL, and our handle @arsen starts almost the same! Do you know this reflects a #phishing tactic? It's called #typosquatting (aka URL hijacking), where fraudsters exploit typing mistakes to redirect to fake sites. 👇
#CustomerStory @odaseva needed security awareness training that could scale with their global workforce. With Arsen, they got it: localized campaigns, zero friction, real behavioral insights. Read the full story 👇 arsen.co/en/customers/o…
#SocialEngineering @Mandiant (@googlecloud) recently released its M-Trends 2026 report, confirming vishing is now the second most common initial breach vector globally and the #1 vector in cloud environments. 👉arsen.co/en/blog/vishin…
Over the past few weeks, we deployed a redesigned cyber awareness training module, now available to all customers. It delivers adaptive, engaging learning that drives behavior change, not just compliance knowledge. 👉 lnkd.in/eAmBaex9
The @vercel breach didn't start at Vercel. It started with a 3rd party. We'll learn more in the coming days, but if it's really ShinyHunters, social engineering on top of weakness exploitation is very probable. Either way: 3rd party + human surface remains a key entry point.
Our investigation has revealed that the incident originated from a third-party AI tool with hundreds of users whose Google Workspace OAuth app was compromised. We recommend that Google Workspace Administrators check for usage of this app immediately. vercel.com/kb/bulletin/ve…
💥 From a cloned CEO identity to a fake Slack workspace and a fake Microsoft Teams error: the perfect multi-step #SocialEngineering attack? Read the report 👇 arsen.co/en/blog/ceo-im…
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