Central Depository Services Ltd (CDSL) has asked its depository participants to remain vigilant, warning of a heightened risk of cyberattacks amid worsening tensions with Pakistan.
In a May 6 communique, CDSL’s chief information security officer Akhil Wadhavkar cautioned participants about the possible increase in phishing campaigns, social engineering attempts and malware attacks.
"In light of the ongoing current geopolitical situation, we urge all depository participants to remain extra vigilant against potential cyber threats. During such period, threat actors often exploit uncertainty to launch phishing attacks, spread misinformation, and attempt to compromise systems and data," the advisory read.
The advisory came a day before Indiana armed forces struck nine terror targets in Pakistan and Pakistan-occupied Kashmir. Operation Sindoor was launched two weeks after 26 people were killed in a terror attack in Pahalgam. Two of the terrorists involved in the April 22 strike were Pakistanis, the authorities have said.
The advisory asked depository participants to issue internal alerts to staff, for sensitising them to avoid suspicious links, report anomalies, and be cautious of unexpected requests for sensitive information.
The advisory singles out Excel files, particularly those with the .XLAM extension, as a common malware delivery mechanism in circulation.
CDSL also stressed the importance of patching critical software vulnerabilities and securing internet-facing systems such as VPNs, firewalls, and email servers.
The advisory recommended organisations to activate 24x7 security monitoring or designate an on-call response team for unusual login attempts, or distributed denial-of-service (DDoS) attacks.
Depository participants have also been directed to revisit their cyber incident response plans to ensure swift internal communication during a breach and to coordinate with government agencies such as CERT-In and SEBI for real-time reporting.
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