DeepSeek restricts new user registrations after 'large-scale malicious attack'

DeepSeek , the popular free app on the App Store that has been a hot topic in the AI industry , has been forced to temporarily restrict new user registrations after coming under a 'large-scale malicious attack.'

DeepSeek hit with 'large-scale' cyber-attack after AI chatbot tops app stores | DeepSeek | The Guardian
https://www.theguardian.com/technology/2025/jan/27/deepseek-cyberattack-ai

DeepSeek hit with large-scale cyberattack, says it's limiting registrations
https://www.cnbc.com/2025/01/27/deepseek-hit-with-large-scale-cyberattack-says-its-limiting-registrations.html

At 21:33 local time on Monday, January 27, 2025, DeepSeek detected unnatural performance degradation in its web services and APIs. DeepSeek is investigating the issue, and at 0:19 on Tuesday, January 28, it reported that 'DeepSeek's services are under a large-scale malicious attack and may be congested.'

The cyber attack has forced DeepSeek to temporarily restrict new user registrations, but existing users can still log in. According to The Guardian, which reported on the cyber attack on DeepSeek, 'at the time of writing, new user registrations are once again possible on the DeepSeek app.'

DeepSeek Service Status
https://status.deepseek.com/

The DeepSeek app is a chat AI similar to OpenAI's ChatGPT. DeepSeek is a Chinese company, and China is restricted in exporting AI chips from the United States , but DeepSeek claims that it can perform on par with competing AI at low training costs. As a result, after DeepSeek became a hot topic, the stock prices of chip manufacturers such as NVIDIA temporarily plummeted.

NVIDIA, whose stock price fell with the emergence of DeepSeek, claims that 'DeepSeek's inference also requires a significant amount of NVIDIA chips' and appeals to its value - GIGAZINE