Home Ideas ‘ArcaneDoor’ Cyberspies Hacked Cisco Firewalls to Access Government NetworksTechIdeas‘ArcaneDoor’ Cyberspies Hacked Cisco Firewalls to Access Government NetworksApril 24, 20243FacebookTwitterPinterestWhatsApp arcanedoor cyberspies hacked cisco firewalls to access government networks Sources suspect China is behind the targeted exploitation of two zero-day vulnerabilities in Cisco’s security appliances.Source: WIRED.com