⚠️ Legacy Malware Remains a Threat to OT Environments Decades-old malware such as Conficker, Sality, and WannaCry continues to affect industrial networks, according to Dragos. With many OT environments relying on aging and end-of-life systems, malware infections can persist across multiple network segments. However, aggressive cleanup efforts may pose an even greater risk to operational continuity. Read more: dragos.com/blog/legacy-malwa… #BlackCell | #OTsecurity #CriticalInfrastructure #Malware

Cybersecurity Awareness Month Giveaway is on! This October, we’re putting your cybersecurity knowledge to the test with 4 weekly challenges and a Black Cell gift package up for grabs. Our Week 3 challenge is already live on LinkedIn! Think you know the answer? 👉 Head over to our LinkedIn page, comment the correct answer and join the game: linkedin.com/company/blackce… #BlackCell | #CyberSecurity #CybersecurityAwarenessMonth #SecurityAwareness

🔎 When malware meets blockchain. Our latest case study explores a multi-stage malware campaign combining compromised websites, blockchain infrastructure, ClickFix social engineering, and stealthy payload delivery. By using Polygon smart contracts to dynamically retrieve payload servers, attackers make their infrastructure harder to detect and disrupt. Explore the full attack chain and key findings in our latest case study: bit.ly/4BkWRkf #BlackCell | #CyberSecurity #MalwareAnalysis #ThreatIntelligence #Blockchain

🚀 We're live at @hacktivityconf The Black Cell team is here and ready to connect! Stop by to talk cybersecurity, meet our experts, and explore career opportunities with us. 📍 Come find us and say hi! #BlackCell | #CyberSecurity #Hacktivity

🔐 Global Encryption Day | October 21 Is your organization ready for the post-quantum era? With new cryptographic standards and evolving regulations, post-quantum readiness is becoming a cybersecurity and compliance priority. Q-Day may still be ahead, but organizations need to start preparing today. 👉 Read our latest article to learn more: bit.ly/4iv8ptF #BlackCell | #Cybersecurity #GlobalEncryptionDay #Compliance

🔐 Információbiztonsági megoldások az ITBT25 keretében! Az ITBT25 közbeszerzési keretmegállapodásnak köszönhetően a Black Celltől ismét beszerezhetők információbiztonsági termékek és kapcsolódó szakértői szolgáltatások a jogosult szervezetek számára. Legyen szó biztonsági rendszerek korszerűsítéséről, licencmegújításról vagy gyártóváltásról, szakértőink a megoldás kiválasztásától a bevezetésig támogatják Önöket. Ismerjék meg kiemelt gyártóink megoldásait és aktuális ajánlatait! 👉 Részletek és ajánlatok: bit.ly/3W738Qk #BlackCell | #CyberSecurity #ITBT25

🏭 Cyberattacks on French supermarket refrigeration systems highlight the risks of internet-connected OT. Attackers reportedly exploited unsecured remote access to refrigeration controllers, disrupting operations and causing food spoilage. Read more: nozominetworks.com/blog/fren… #BlackCell #AI #OTsecurity #CriticalInfrastructure

Cybersecurity Awareness Month Giveaway is on! This October, we’re putting your cybersecurity knowledge to the test with 4 weekly challenges and a Black Cell gift package up for grabs. Our Week 1 challenge is already live on LinkedIn! Think you know the answer? 👉 Head over to our LinkedIn page, comment the correct answer and join the game: linkedin.com/company/blackce… #BlackCell | #CyberSecurity #CybersecurityAwarenessMonth #SecurityAwareness

🚀 Black Cell is heading to @hacktivityconf! Meet our team, talk cybersecurity, discover what we’re working on, and explore career opportunities at Black Cell. 📍 Find us at Hacktivity and come say hi! See you there! 👋 #BlackCell | #CyberSecurity #Hacktivity2026

🔴 We’re looking for an Offensive Security Engineer! Ready to think like an attacker and put your offensive security skills to the test? Join Black Cell and work on real-world security challenges alongside an experienced cybersecurity team. More info: lnkd.in/dGmNzjhG Interested? Apply and join us: [email protected] #BlackCell | #CyberSecurity #Hiring #OffensiveSecurity #CybersecurityJobs

🔎 Monthly Adversary Tradecraft Spotlight – September This month, we highlight two activities that can reveal malicious behavior: 🔹 Suspicious Execution of Shutdown – Reboots used for persistence, disruption or evasion. 🔹 Device Installation Blocked – Potential attempts to introduce unauthorized or malicious hardware. Read the full analysis to learn more: bit.ly/4yEqfQD #BlackCell | #Cybersecurity #ThreatDetection #AdversaryTradecraft

🏭 46% of industrial organizations experienced a cyber incident in the past year. New research from Rockwell Automation highlights the growing security challenge as IT/OT convergence, AI adoption and expanding connectivity reshape industrial environments. Read more: industrialcyber.co/industria… #BlackCell #AI #OTsecurity #CriticalInfrastructure

Cybersecurity Awareness Month Giveaway is on! This October, we’re putting your cybersecurity knowledge to the test with 4 weekly challenges and a Black Cell gift package up for grabs. Our Week 1 challenge is already live on LinkedIn! Think you know the answer? 👉 Head over to our LinkedIn page, comment the correct answer and join the game: linkedin.com/company/blackce… #BlackCell | #CyberSecurity #CybersecurityAwarenessMonth #SecurityAwareness

📰 Our monthly Critical Systems Security Feed is available on the website! You can now read about: - CISA issues Internet Exposure Reduction guidance to reduce risks from IT, OT, ICS and industrial systems - Current ICS training and conferences - ICS incident: Hackers Disrupt Controls at Minnesota Water Utilities - Book recommendation ​- ICS vulnerabilities and alerts ▪️Download the full report here: bit.ly/4rR46fy #BlackCell | #CyberSecurity #ICSsecurity #CriticalSystemsSecurityFeed

Krisztián A. joined Black Cell in 2021 as an intern. Today, as a Splunk Architect, he describes Black Cell in three words: ⚡ Fast-paced. Trailblazer. Valhalla. 💬 “Working here means that you are a foundational part of a hand-picked community – the gladiators of IT security.” Read more: bit.ly/3TFepXk #BlackCell | #CyberSecurity #BlackCellTeam #LifeatBlackCell

“Trust, but verify.” #BlackCell | #CyberSecurity #ZeroTrust #CyberResilience

Traditional xOT security has focused heavily on asset visibility, monitoring, and vulnerability management. But the software and firmware running underneath those assets are becoming an increasingly important part of the attack surface. Read more: dragos.com/blog/xot-software… #BlackCell | #CyberSecurity #OTSecurity #SupplyChainSecurity

🚨 Which alert would you investigate first? Your SOC dashboard lights up with four alerts at the same time. You can investigate only one first. Vote and tell us why in the comments! #BlackCell | #CyberSecurity #SOC #IncidentResponse

🛡️ 4 Weeks. 4 Cyber Challenges. 1 Giveaway. Cybersecurity Awareness Month is here - and we’re kicking it off with a challenge. Each week in October, we’ll put your cybersecurity knowledge to the test with a new challenge. Take part, share your answer, and enter our giveaway to win exclusive Black Cell merch. Challenge #1 is coming soon. Are you ready? #BlackCell | #CyberSecurity #October #CyberAwarenessMonth

We’re proud that our colleague Péter Biró, together with János Csatár, presented the ongoing work toward establishing E-ISAC at the Annual Meeting of the Hungarian Electrotechnical Association. A great opportunity to contribute to the professional dialogue around cybersecurity and resilience in the energy sector. #BlackCell | #CyberSecurity #EISAC #EnergySecurity #CriticalInfrastructure