Cyberattack Disrupts Indonesian Air Travel, Canceling Dozens of Flights
Jakarta, Indonesia – September 27, 2025 – A notable cyberattack has paralyzed stock transactions for NH Korindo and triggered widespread disruption to air travel across Indonesia, impacting major airports and resulting in the cancellation of dozens of flights. The attack, confirmed earlier today, has raised concerns about the vulnerability of critical infrastructure to malicious cyber activity.
the disruption stems from a breach affecting transaction systems at NH Korindo, a publicly traded natural resources company. Simultaneously, reports emerged of operational issues at Soekarno-Hatta International Airport (CGK) in Jakarta, Juanda International Airport in Surabaya, and Kualanamu International Airport in Medan. Authorities have not yet definitively linked the two incidents, but the timing has prompted a coordinated examination. The Indonesian government is mobilizing a collective defense strategy, recognizing the transnational nature of cyber threats.
Here are seven key facts surrounding the unfolding situation:
- Flight Cancellations: As of 18:30 local time (UTC+7) on September 27, 2025, at least 43 flights had been canceled across the three affected airports, impacting thousands of passengers.
- Airport Impact: Soekarno-Hatta (CGK) experienced the most significant disruption, with 22 cancellations. Juanda (SUB) and Kualanamu (KNO) reported 11 and 10 cancellations respectively.
- NH Korindo Disruption: Trading of NH Korindo shares was halted earlier today following the cyberattack on its transaction systems. The company has not disclosed the extent of the data breach.
- Government Response: Indonesian authorities are working to restore normal operations at the airports and investigate the source of the cyberattacks. A national task force has been activated.
- Collective Defense: A government spokesperson stated, “Cyberattacks rarely stop in one country. It takes collective defense to protect the global sector such as flights.”
- Investigation Status: The National Cyber and Crypto Agency (BSSN) is leading the investigation into both incidents, seeking to determine if they are connected and identify the perpetrators.
- Passenger Impact: Passengers are advised to check with their respective airlines for updated flight information and potential rebooking options.Airports are experiencing significant congestion as travelers attempt to adjust their travel plans.
