2025's Multichannel Phishing Campaigns: The End of Email-Only Defense
In September 2025, organizations experienced a surge of sophisticated credential harvesting attacks that moved beyond traditional email phishing, utilizing instant messaging, social media, and malicious advertising channels. Attackers deployed advanced Attacker-in-the-Middle (AiTM) phishing kits and leveraged compromised accounts, cloned login pages, and rapid domain rotation to evade both detection and remediation. Case studies included targeted spear-phishing via LinkedIn and malvertising on Google Search, resulting in high-value session theft and lateral account compromise. These attacks not only bypassed email security but exploited any channel where business users could be reached, often leading to the breach of core cloud platforms and widespread internal access. This campaign marks a critical evolution in attacker tactics, underlining that perimeter-focused and email-only defenses are insufficient. The surge in non-email phishing brings new urgency for organizations to secure east-west traffic, implement zero trust segmentation, and enhance visibility across all cloud and SaaS environments.
Kill Chain