NIA Arrests Kolkata Man Linked to Pakistan Espionage Network
Severity: Medium (Score: 58.0)
Sources: Bhaskarenglish.In, M.Economictimes
Published: · Updated:
Keywords: espionage, kolkata, arrests, suspected, pakistan, case, arrested
Severity indicators: ot, rat
Summary
The National Investigation Agency (NIA) arrested Jafar Riaz alias Rizvi in Kolkata, suspected of being part of a Pakistan-linked espionage network. He allegedly facilitated illegal communication by sending One-Time Passwords (OTPs) from Indian SIM cards to Pakistan, enabling the activation of Indian mobile numbers for unauthorized use. Riaz has a history of espionage, having been previously convicted and was under proceedings to be declared a Proclaimed Offender. Investigators are probing his connections to a larger cross-border espionage operation and whether he was offered money or citizenship for his activities. His movements were tracked following a related arrest in Murshidabad, and he has reportedly traveled to Pakistan multiple times since 2005. The NIA has not disclosed if further arrests are anticipated. Key Points: • Jafar Riaz was arrested for allegedly facilitating espionage for Pakistan. • He is suspected of sending OTPs from Indian SIM cards to Pakistan for unauthorized use. • The investigation is ongoing, with potential for more arrests linked to a larger espionage network.
Detailed Analysis
**Impact** The arrest affects Indian national security, particularly in West Bengal and the broader India-Pakistan border regions. The accused allegedly facilitated illegal communication networks by transmitting OTPs from Indian SIM cards to Pakistan, enabling activation of Indian mobile numbers and WhatsApp accounts. This compromises telecom infrastructure and could expose sensitive communications. The scope includes potential espionage activities dating back to 2005, with risks to confidential security information shared with Pakistan intelligence. **Technical Details** The attack vector involved intercepting or relaying One-Time Passwords (OTPs) linked to Indian SIM cards to activate mobile and messaging accounts across the border. The accused reportedly maintained a hidden base near Kolkata airport and had multiple Pakistan visits, indicating long-term espionage activity. No specific malware, CVEs, or technical tools were disclosed. The operation appears to involve the initial access and command-and-control stages of the kill chain through telecom exploitation. **Recommended Response** Telecom operators and security agencies should monitor and block suspicious OTP transmissions and SIM activations linked to cross-border IP addresses. Strengthen verification processes for SIM activation and WhatsApp account creation to detect unauthorized use. Increase surveillance on individuals with cross-border travel histories linked to espionage. Further intelligence gathering and monitoring of related networks should continue, as no specific technical indicators of compromise (IOCs) were provided.
Source articles (2)
- NIA Arrests Suspected Pakistan Espionage Operative From Kolkata In SIM OTP Racket Probe — Bhaskarenglish.In · 2026-05-21
A man suspected of being involved in an alleged Pakistan-linked espionage network was arrested by the National Investigation Agency (NIA) from the Kolkata airport area on Wednesday. OTPs allegedly sen… - NIA arrests Kolkata man in Pak-linked espionage case — M.Economictimes · 2026-05-21
A Kolkata man, Zafar Riaz alias Rizvi, has been arrested by the National Investigation Agency. He is accused of spying for Pakistan since 2005. Rizvi was previously convicted in an espionage case. He…
Timeline
- 2005-01-01 — Riaz begins alleged espionage activities: Jafar Riaz is suspected of spying for Pakistan since 2005, including multiple visits to the country.
- 2026-05-21 — NIA arrests Jafar Riaz: The NIA arrested Riaz in Kolkata, suspecting him of facilitating illegal communication for espionage.
- Recent — Related arrest in Murshidabad: A youth was arrested in Murshidabad, leading to the tracking of Jafar Riaz's movements.