Security News This Week: A Mysterious Leak Exposed Chinese Hacking Secrets

Today marks two years since Russia launched its full-scale invasion of Ukraine. This week, we detailed the growing crisis in Eastern Ukraine, which is now littered with deadly mines. As it fights back the invading Russian forces, Ukraine’s government is working to develop new mine-clearing technology that could help save lives around the globe.

A leaked document obtained by WIRED has revealed the secret placement of gunshot-detection sensors in locations around the United States and its territories. According to the document, which ShotSpotter’s parent company authenticated, the sensors, which are used by police departments in dozens of metropolitan areas in the United States, are largely located in low-income and minority communities, according to WIRED’s analysis, adding crucial context in a long-running debate over police use of the technology.

Speaking of leaks, WIRED this week obtained 15 years of messages posted to an internal system used by members of the US Congress. The House Intelligence Committee used the “Dear Colleagues” system to warn lawmakers of an “urgent matter”—something that has not happened since at least 2009. That urgent matter, which was quickly leaked to the press, turned out to be related to Russian military research of space-based weapons. But some sources say the matter wasn’t urgent at all, and the warning was instead an attempt by House Intelligence leadership to derail a vote on privacy reforms to a major US surveillance program.

On Tuesday, a coalition of law enforcement agencies led by the UK’s National Crime Agency disrupted the LockBit ransomware gang’s operation, seizing its infrastructure, dark-web leak site, and code used to carry out its attacks against thousands of institutions globally. Although ransomware attacks resulted in a record $1.1 billion in ransom payments last year, Anne Neuberger, a top US cyber official in the Biden administration, tells WIRED how the 2021 ransomware attack on Colonial Pipeline has transformed the ways American institutions defend against and respond to such attacks.

In dual wins for privacy this week, the Signal Foundation began its rollout of usernames for its popular end-to-end encrypted messaging app. The update will allow people to connect without having to reveal their phone numbers. Meanwhile, Apple began to future-proof its encryption for iMessage with the launch of PQ3, a next-generation encryption protocol designed to resist decryption from quantum computers.

And there’s more. Each week, we highlight the news we didn’t cover in-depth ourselves.

Hundreds of documents linked to a Chinese hacking-for-hire firm were dumped online this week. The files belong to i-Soon, a Shanghai-based company, and give a rare glimpse into the secretive world of the industry that supports China’s state-backed hacking. The leak includes details of Chinese hacking operations, lists of victims and potential targets, and the day-to-day complaints of i-Soon staff.

“These leaked documents support TeamT5’s long-standing analysis: China’s private cybersecurity sector is pivotal in supporting China’s APT attacks globally,” Che Chang, a cyber threat analyst at the Taiwan-based cybersecurity firm TeamT5, tells WIRED. Chang says the company has been tracking i-Soon since 2020 and found that it has a close relationship with Chengdu 404, a company linked to China’s state-backed hackers.

While the documents have now been removed from GitHub, where they were first posted, the identity and motivations of the person, or people, who leaked them remains a mystery. However, Chang says the documents appear to be real, a fact confirmed by two employees working for i-Soon, according to the Associated Press, which reported that the company and police in China are investigating the leak.

“There are around eight categories of the leaked files. We can see how i-Soon engaged with China’s national security authorities, the details of i-Soon’s products and financial problems,” Chang says. “More importantly, we spotted documents detailing how i-Soon supported the development of the notorious remote access Trojan (RAT), ShadowPad,” Chang adds. The ShadowPad malware has been used by Chinese hacking groups since at least 2017.

Since the files were first published, security researchers have been poring over their contents and analyzing the documentation. Included were references to software to run disinformation campaigns on X, details of efforts to access communications data across Asia, and targets within governments in the United Kingdom, India, and elsewhere, according to reports by the New York Times and the The Washington Post. The documents also reveal how i-Soon worked for China’s Ministry of State Security and the People’s Liberation Army.

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