Authored by Bikramdeep Singh, India Country Manager, Proofpoint
In a world of rising geopolitical complexity, cybersecurity is inseparable from national security. In 2025, Advanced Persistent Threats (APTs) have become a top concern for many Indian organisations particularly in critical infrastructure sectors. The state-aligned threat actors now combine geopolitical motives, advanced tools, and human exploitation at scale, and are targeting not only defence but also infiltrating critical sectors including technology, BFSI (banking, finance services and insurance), energy, telecom and transport.
Events such as Operation Sindoor in May 2025, highlight the intensity of targeting. Based on Proofpoint’s 2025 Voice of the CISO report, 90% of Indian CISOs expecting a material attack in the next year and 99% already reporting data loss. The Asia-Pacific region, including India, now accounts for 42% of global exploitation attempts, as attackers embed deep within critical infrastructure to set the stage for future disruption.
This reality is a wake-up call for Indian organisations that a successful breach here does not just threaten operations, but compromises sensitive national data, disrupts essential services, and erodes public trust.
Human Element: The New Frontline
Unlike traditional cybercriminals, APT actors are patient, well-funded, and strategically driven. Often backed by sophisticated criminal networks, they employ highly targeted tactics like spear-phishing, credential harvesting, and lateral movement to maintain persistent access within target environments.
Proofpoint’s latest 2025 Human Factor report reveals a striking trend that underscores this human-centric approach: a quarter of all phishing campaigns now begin with "benign" emails designed specifically to build trust, with an astonishing 90% of these messages feigning interest in collaboration or engagement. This isn't about exploiting technical vulnerabilities; it's about exploiting human curiosity, and trust.
India's strategic role as a regional economic powerhouse and a rapidly digitizing nation makes it an exceptionally high-value target. As the systems become increasingly interconnected, the attack surface expands exponentially, demanding a rapid evolution in all defence strategies.
Beyond Compliance: Raising the Bar for Resilience
To effectively defend against these advanced threats, organizations must move beyond a mere checkbox approach to compliance. While alignment with national guidelines is foundational, true resilience demands a proactive, layered approach that prioritizes prevention, detection, and rapid response.
The four critical pillars required to execute this layered approach include human-centric security, real-time threat intelligence, incident response preparedness and third-party risk management.
Primarily, people will always be the first line of defence – and simultaneously, the most targeted vulnerability. Deploying a modern, AI-powered human-centric platform is paramount. This technology protects the human layer through behavioural and intent-based detection, flagging or blocking anomalies that indicate compromise.
These AI models continuously learn from real-world threats, customer deployments, and data across collaboration platforms, cloud, and on-premises environments. This layer of protection is crucial for identifying threats that bypass traditional security controls. Combined with regular, engaging awareness training, it fosters a resilient security culture where employees are empowered to act as active defenders.
Furthermore, staying ahead of these agile adversaries requires deep insight into their evolving tactics, techniques, and infrastructure, necessitating real-time threat intelligence. Intelligence platforms must translate global threat activity into actionable local context, enabling proactive defence.
While real-time threat detection intelligence is deployed, breaches, unfortunately, are inevitable. However, it becomes imperative to ensure that such threats and attacks do not result in prolonged disruption. A well-rehearsed, cross-functional incident response plan, aligned with company protocols, is vital to limit the impact and accelerate recovery.
Additionally, APT actors increasingly exploit vulnerabilities within the supply chain and other third-party systems. Therefore, it is also crucial to ensure continuous monitoring of vendor and partner risk profiles, especially for those involved in national projects.
Cybersecurity: A Strategic Imperative
APT activity is not a passing wave; it represents a long-term, fundamental shift in the global threat landscape. As adversaries grow more agile and resourceful, India’s defences must become equally dynamic. Cybersecurity must be elevated from an IT department concern to a board-level priority – transforming it from a compliance exercise into a core strategic imperative for every organization.
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