Detect. Disrupt. Defeat #Ransomware.
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Joined December 2021
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6,635 confirmed #ransomware attacks. One year.
That’s how active the ransomware ecosystem was in 2025 - and attackers didn’t just scale activity. They evolved.
353 unique ransomware variants were detected, with new strains emerging almost daily.
Flip through #Ransomware Wrapped 2025 👇🧵(1/4)
Your ransomware tabletop has one major flaw: nothing is actually on fire.
A real attack forces high-stakes decisions with incomplete information—and that's where recovery starts to unravel.
Part 1 of 22 Days of Hell breaks down Phase Zero ↓ halcyon.ai/blog/22-days-of-h…
Your #cyber insurance renewal is now an audit. The controls you attest to today could determine whether your claim gets paid tomorrow. #ransomware halcyon.ai/blog/cyber-insura…
The ransom isn't the biggest cost. Downtime is. #Ransomware risk starts with business impact—not the demand. Read more. halcyon.ai/blog/ransomware-r…
Financial services can't prevention-their-way out of #ransomware.
Leaders from Virgin Money, SoftBank & Barclays break down what resilience requires: identity, recovery speed, third-party risk + #AI-powered threats.
Read the recap + watch on demand ↓ halcyon.ai/blog/why-financia…
The ransom isn't the biggest cost. Downtime is. #Ransomware risk starts with business impact—not the demand. Read more. halcyon.ai/blog/ransomware-r…
“Don’t get breached” isn’t a strategy. It’s a wish.
Gary Hayslip explains why real #cybersecurity is measured in resilience - how you operate, recover, and adapt.
His full take ⬇️ halcyon.ai/blog/building-cyb…
Financial services can’t prevention-their-way out of #ransomware.
Leaders from Virgin Money, SoftBank & Barclays break down what resilience requires: identity, recovery speed, third-party risk + #AI-powered threats.
Read the recap + watch on demand ↓ halcyon.ai/blog/why-financia…
More threat data than ever. Same amount of time to act on it.
25 years after 9/11, that's the new intelligence failure. #cybersecurity halcyon.ai/blog/25-years-aft…
#AI is shrinking the vulnerability discovery window to hours. Is your ransomware strategy keeping pace? Turn Mythos into a board-level #CyberRisk conversation. halcyon.ai/blog/ransomware-b…
Boeing. Ascension. Blue Yonder.
Major #ransomware attacks exposed where defenses fall short - and what teams need to change before the next attack.
See the lessons shaping stronger ransomware resilience.
Download the white paper: bit.ly/4raEARo
Your #cyber insurance renewal is now an audit. The controls you attest to today could determine whether your claim gets paid tomorrow. #ransomware halcyon.ai/blog/cyber-insura…
Your ransomware tabletop has one major flaw: nothing is actually on fire.
A real attack forces high-stakes decisions with incomplete information—and that’s where recovery starts to unravel.
Part 1 of 22 Days of Hell breaks down Phase Zero ↓ halcyon.ai/blog/22-days-of-h…
“This is not a theoretical risk.”
In @pcgamer, Halcyon's Cynthia Kaiser explains why Iran-linked actors are targeting the systems behind critical infrastructure. #Cybersecurity pcgamer.com/software/securit…
🏥 A #ransomware attack on one hospital can put an entire region at risk.
When ERs go offline, patients are diverted — & for a stroke or heart attack, every minute matters.
@MayoClinic’s Heather Costa + Cynthia Kaiser explain the ripple effect. 👉 bit.ly/3ItIVha
You can pass every audit and still lose to #ransomware.
Compliance sets the baseline. Resilience determines what happens when prevention fails.
Halcyon Field #CISO Sebastiaan Bäck explains why security must move beyond the checklist ↓ business-reporter.co.uk/risk…
#Qilin is one of the world’s most active #ransomware groups - and it’s now claiming responsibility for the ATF cyberattack.
@Bloomberg cites Halcyon research on the threat behind the headlines. bloomberg.com/news/articles/…
AI is helping adversaries move faster.
Halcyon's Cynthia Kaiser tells @TheRegister what that means as suspected Iran-linked actors target critical infrastructure. #Cybersecurity bit.ly/4c2udJG
Your #cyber insurance renewal is now an audit. The controls you attest to today could determine whether your claim gets paid tomorrow. #ransomware halcyon.ai/blog/cyber-insura…
Ransomware doesn't wait for you to go home. The early attack chain runs 9-to-5 — 69% of activity we tracked hit during business hours, hiding in plain sight.
Encryption? That waits till you're gone.
Read the data 👇 halcyon.ai/blog/ransomware-k…
#Qilin is back in the headlines after leaking sensitive files allegedly stolen from the ATF.
@CNN turned to Halcyon research for context on the #ransomware group behind the attack. #Cybersecurity cnn.com/2026/08/31/politics/…
