The akira ransomware group listed Northern Air Systems(2) on its data leak site on 2025-12-11. Country: US Sector: Manufacturing Domains named: northernairsystems.com Claim as published on the leak site: Northern Air Systems has been a leading manufacturer of high-qual ity HVAC systems for commercial and industrial applications for n early three decades. As you could have noticed, we've made it 2nd time to penetrate to their systems and locked almost 90 vms. At this time we've taken five times more data (150gb) and we will upload the files soon. Detailed employee information (i-9 forms, passports, DLs, medical information, pictures and so on), client data (DLs, addresses, e mails), detailed financials, lots of projects information, contra cts and agreements, numerous NDAs, etc.