Phishing, Deepfakes, and Supply Chain Attacks to Drive 2026’s Biggest Crypto Hacks: CertiK - FinanceFeeds

Crypto security threats are entering a more complex phase, with blockchain security firm CertiK warning that phishing, deepfakes, and supply chain attacks will define the next set of major exploits. The shift comes as losses have already exceeded $600 million in 2026, highlighting how quickly attack strategies are evolving beyond traditional vulnerabilities. Rather than exploiting flaws in smart contracts alone, CertiK flags that attackers are increasingly targeting the broader ecosystem, including user behavior and third-party infrastructure, reshaping how risk is distributed across the industry. Human and Infrastructure Layers Replace Smart Contracts as Primary Targets For years, smart contract vulnerabilities were the primary source of crypto exploits. That dynamic is now changing. CertiK’s findings show that phishing remains the leading attack vector, reinforcing a broader move toward human-layer vulnerabilities. This shows that while code audits and formal verification have improved, attackers are finding greater success targeting users directly.  Social engineering campaigns, which are often disguised as legitimate communications, continue to trick individuals into revealing private keys or approving malicious transactions. The emergence of deepfakes is amplifying this threat. AI-generated voice and video tools are making impersonation far more convincing, allowing attackers to mimic executives, colleagues, or trusted partners with increasing accuracy. In this environment, the line between legitimate communication and fraud is becoming harder to detect. At the same time, supply chain attacks are expanding the scope of risk beyond individual platforms. Instead of targeting a single protocol, attackers can compromise shared dependencies, such as software libraries, infrastructure providers, or cross-chain bridges, and gain access to multiple systems simultaneously. CertiK Calls Out High-Value Exploits & Systemic Weaknesses According to CertiK, recent incidents underscore how these risks are already showing signs of success. The $293 million Kelp DAO exploit and the $280 million Drift Protocol breach illustrate how vulnerabilities in interconnected systems can cascade into large-scale losses. These events highlight that as crypto infrastructure becomes more interconnected, the potential impact of a single failure increases. A compromised component within a broader system can expose multiple platforms, creating a multiplier effect that amplifies losses. This is particularly relevant in cross-chain environments, where assets move across multiple protocols and rely on complex validation mechanisms. Each additional layer introduces new points of failure, expanding the attack surface. CertiK’s analysis suggests that these types of incidents are not outliers, but early indicators of a broader trend. As attackers shift focus toward infrastructure and integration points, the scale and frequency of exploits could increase. CertiK researchers further warn that AI is enabling new attack methods and also accelerating the speed and effectiveness of existing ones. Automated tools can now scan for vulnerabilities, generate tailored phishing campaigns, and execute attacks at scale. This creates a more adaptive threat environment, where attackers can iterate quickly and refine their strategies based on success rates. As the industry continues to mature, the focus will need to move beyond securing smart contracts to securing the entire ecosystem.