A view of Porsche vehicle as reports indicate that many Porsche owners across Russia experience issues operating their cars during the same period on December 5, 2025. Photo: VCG

 
Hundreds of Porsche owners in Russia have reported that their cars had failed to start due to a widespread malfunction since November 28 with Russia's largest Porsche dealer suggesting the possibility that the situation could be caused deliberately, while some German media outlets claimed that the issue emerged after the factory-installed alarm system was accidentally blocked via its satellite module.

Citing a statement by Porsche, Berliner Zeitung reported on December 6 that the malfunction was not caused by a design defect in the vehicles. Rather, the problems appear to be caused by the cars' factory-installed security system. "In recent days, we have recorded an increase in customer inquiries. We assume that the cause does not lie in the design of the vehicles," the company stated, the Berlin-based media reported.

Russia's TASS News Agency reported on December 1 that the widespread starting failures were caused by a false activation of the factory-installed alarm system via the satellite module, Yulia Trushkova, Service Director at Russia's largest automotive dealer group Rolf, told TASS.

The report said that the satellite connection as down across all models and engine types, meaning any vehicle can be immobilized.

"Similar situations also occur with Mercedes-Benz owners, but these are isolated cases — the cars do not turn into 'bricks.' Is the reason for such blockages known? Specialists are currently investigating this issue, and there is a possibility that it was done deliberately," she concluded.

According to Daily Mail, the nationwide malfunction in Russia hit Porsche models, including prized Cayennes and Panameras, built since 2013, which are all equipped with the brand's factory VTS satellite-security unit. The issue appeared to stem from the Vehicle Tracking System, or VTS, which is an onboard security module, it said. 

Porsche VTS, a factory-installed option available on Porsche models, relies on satellites to track its location. It can send the owner alerts if there is any unauthorized movement. However, a system failure related to it may be shutting down the cars equipped with this technology, according to British Road & Track website. 

Poland-based news site TVP World reported that some experts said the failures appear to be tied to the "blocking of the standard satellite alarm system", which prevents engines from starting. It remains unclear whether the disruption stems from electronic-warfare interference or an issue with signals sent to the system, it added.

Porsche halted deliveries to Russia since 2022, but thousands of vehicles remain on the roads, per the report. 

Ongoing geopolitical tensions between Germany and Russia have further fueled speculation surrounding the incident, Berlin-based WorkVision Media pointed out. 

Cybersecurity Insiders, an online community for information security professionals, stated that the situation has raised serious concerns among the automotive community and cybersecurity experts, as hackers increasingly target critical infrastructure in new ways. By compromising vehicle immobilizers - systems linked to both tracking and security alarms - attackers can cause severe disruptions. 

While the immediate impact appears limited to immobilizing or disabling of cars, the broader implications could involve the potential for safety hazards, including accidents caused by unauthorized control or remote manipulation of vehicles, the website warned. 

Xiang Ligang, a veteran Chinese technology analyst, told the Global Times on Sunday that the situation clearly shows that a security loophole in Porsche's design allowed this to happen, and it raised alarm for the whole automobile industry. 

According to Xiang, intelligent-vehicle systems inevitably rely on data management and remote-control functions — technical challenges that all carmakers must confront. The situation unfolding in Russia, however, is a stark reminder of how vulnerable these systems can be.

He added that escalating geopolitical tensions and in fact de-coupling between the Russia and Germany make it increasingly difficult to meet security requirements in areas such as operating-system authentication, data verification, and cross-border data management. Under such conditions, even partners that are meant to cooperate on security matters must prioritize localized and compliant management of data and servers, he said.