Chloe Tan OSINT
@chloetanosint.bsky.social
I report on the latest open source intelligence and data leaks from China.
Follow my other channels for the latest updates: http://linktr.ee/ChloeTanOsint
Follow my other channels for the latest updates: http://linktr.ee/ChloeTanOsint
Pinned
Behind the Firewall - Freewechat
Hello everyone.
open.substack.com
Hello everyone. My new investigations have been to take a look into something called freewechat (Ziyou Weixin 自由微信).
You can read it on my substack or medium here:
medium.com/@chloetan31/...
open.substack.com/pub/chloetan...
You can read it on my substack or medium here:
medium.com/@chloetan31/...
open.substack.com/pub/chloetan...
I came across this really interesting article that talks about a side of the AI debate I dont see talked about on X very much
The US China AI competition might not be about banning Chinese open-weight models. Its about who becomes the technological foundation for countries building AI
#China #AI
The US China AI competition might not be about banning Chinese open-weight models. Its about who becomes the technological foundation for countries building AI
#China #AI
Open-Weight Diplomacy: How China’s AI Models Are Rerunning the Digital Silk Road
China's “free” AI models are rerunning Huawei’s telecom playbook: Give the weights away, sell the stack around it, own the dependency.
lawfaremedia.org
October 7, 2026 at 10:25 AM
open.substack.com/pub/chinai/p...
A really interesting read from ChinAI on substack - it will be super interesting to see how Claude usage changes (or not...) in China!
#China #Claude #AI
A really interesting read from ChinAI on substack - it will be super interesting to see how Claude usage changes (or not...) in China!
#China #Claude #AI
ChinAI #367: Claude Code's Future in China?
Greetings from a world where…
open.substack.com
July 21, 2026 at 8:49 AM
open.substack.com/pub/chinai/p...
A really interesting read from ChinAI on substack - it will be super interesting to see how Claude usage changes (or not...) in China!
#China #Claude #AI
A really interesting read from ChinAI on substack - it will be super interesting to see how Claude usage changes (or not...) in China!
#China #Claude #AI
open.substack.com/pub/jamestow...
I read this really good article by Sunny Cheung. A interesting take on where China is against the US in the quantum race!
#quantum #China
I read this really good article by Sunny Cheung. A interesting take on where China is against the US in the quantum race!
#quantum #China
PRC Pulls Ahead in Quantum Communications Security
Sunny Cheung
open.substack.com
June 24, 2026 at 9:41 AM
open.substack.com/pub/jamestow...
I read this really good article by Sunny Cheung. A interesting take on where China is against the US in the quantum race!
#quantum #China
I read this really good article by Sunny Cheung. A interesting take on where China is against the US in the quantum race!
#quantum #China
Hey everyone :) really great article from Natto Team about how over 1M IoT devices from Chinese firm Meari are remotely accessible due to infrastructure-level flaws. Give them a follow!
#IoT #China
www.nattothoughts.com/p/is-this-ch...
#IoT #China
www.nattothoughts.com/p/is-this-ch...
Is This Chinese Company Watching the World to Train its AI?
The story of Meari Technology reveals how insecure-by-design IoT infrastructure, global surveillance exposure, and China’s tech ecosystem are converging into a new model of AI-enabled data power.
www.nattothoughts.com
May 21, 2026 at 8:48 AM
Hey everyone :) really great article from Natto Team about how over 1M IoT devices from Chinese firm Meari are remotely accessible due to infrastructure-level flaws. Give them a follow!
#IoT #China
www.nattothoughts.com/p/is-this-ch...
#IoT #China
www.nattothoughts.com/p/is-this-ch...
Hello everyone! You can read my article about the recent NSCC leak here on my Medium page: NSCC - China's Supercomputing Center medium.com/@chloetan31/...
NSCC — China’s Supercomputing Center
Hello everyone! This is my follow-up to my previous post about the National Supercomputer Center (NSCC) leak. I’ve done some exploring into…
medium.com
April 7, 2026 at 1:35 PM
Hello everyone! You can read my article about the recent NSCC leak here on my Medium page: NSCC - China's Supercomputing Center medium.com/@chloetan31/...
hello everyone! i have found a new leak for you guys: A user has allegedly leaked the details of GFAN users, which is one of Chinas largest Android platforms! The leak contains the records of 10 million users including QQ numbers, emails, passwords and real names. #China #Leak #Cybersecurity
April 2, 2026 at 9:43 AM
hello everyone! i have found a new leak for you guys: A user has allegedly leaked the details of GFAN users, which is one of Chinas largest Android platforms! The leak contains the records of 10 million users including QQ numbers, emails, passwords and real names. #China #Leak #Cybersecurity
hello everyone, i have found a new leak that is very interesting! The user has allegedly leaked documents from the National Supercomputer Center (NSCC) in China! The post on Breachforums states that the leak contains over 10 petabytes of data.... I'm going to do some more digging into this! #China
February 13, 2026 at 11:42 AM
hello everyone, i have found a new leak that is very interesting! The user has allegedly leaked documents from the National Supercomputer Center (NSCC) in China! The post on Breachforums states that the leak contains over 10 petabytes of data.... I'm going to do some more digging into this! #China
Reposted by Chloe Tan OSINT
Amazing reporting from @therecordmedia.bsky.social here on a network environment simulation platform that seems to have been created to enable Chinese state #hackers to test attacks on infrastructure that emulates regional neighbors:
therecord.media/leaked-china...
therecord.media/leaked-china...
Leaked technical documents show China rehearsing cyberattacks on neighbors’ critical infrastructure
Internal files describe a training platform as part of a large integrated system designed to allow attackers to practice hacking replicas of “the real network environments” of China’s “main operationa...
therecord.media
February 10, 2026 at 10:59 AM
Amazing reporting from @therecordmedia.bsky.social here on a network environment simulation platform that seems to have been created to enable Chinese state #hackers to test attacks on infrastructure that emulates regional neighbors:
therecord.media/leaked-china...
therecord.media/leaked-china...
Crazy! Cybernews has reported that a massive 8.7 billion records were exposed in a Chinese data leak and points to the Great Firewall of China. The last biggest ever leak also came from China. 🤨 #China #Dataleak #Crime
cybernews.com/security/bil...
cybernews.com/security/bil...
8.7 billion records spilled: Inside the massive Chinese data leak
An exposed Elasticsearch cluster leaked 8.7 billion Chinese records including IDs, passwords, and addresses, creating massive identity theft risks.
cybernews.com
February 3, 2026 at 1:50 PM
Crazy! Cybernews has reported that a massive 8.7 billion records were exposed in a Chinese data leak and points to the Great Firewall of China. The last biggest ever leak also came from China. 🤨 #China #Dataleak #Crime
cybernews.com/security/bil...
cybernews.com/security/bil...
this is a really great account to follow if you are interested in how China controls the narrative of its domestic media. I have been looking into CCP media control recently and will be writing an article about it soon!
And don't miss our handy terms table with Chinese audio pronunciation further down!
February 3, 2026 at 11:05 AM
this is a really great account to follow if you are interested in how China controls the narrative of its domestic media. I have been looking into CCP media control recently and will be writing an article about it soon!
Reposted by Chloe Tan OSINT
Salt Typhoon is a wake-up call. Hitting telecom networks at this scale isn’t just hacking-it’s strategic access. Why was the cyber review panel shut down just as threats like this exploded? #CyberSecurity #NationalSecurity #TelecomSecurity
www.cybersecuritydive.com/news/salt-ty...
www.cybersecuritydive.com/news/salt-ty...
Salt Typhoon telecom hacks one of the most consequential campaigns against US ever, expert says
A prominent former member of a recently shuttered cyber-incident review panel said the board should be reconstituted with independent authority.
www.cybersecuritydive.com
January 8, 2026 at 3:31 AM
Salt Typhoon is a wake-up call. Hitting telecom networks at this scale isn’t just hacking-it’s strategic access. Why was the cyber review panel shut down just as threats like this exploded? #CyberSecurity #NationalSecurity #TelecomSecurity
www.cybersecuritydive.com/news/salt-ty...
www.cybersecuritydive.com/news/salt-ty...
Reposted by Chloe Tan OSINT
Wondering about China's role in shaping Venezuela's information landscape? We've been tracking it. During Maduro's 2023 Beijing visit, CMG signed a sweeping media cooperation deal with Venezuela's government. Explore the full picture at Lingua Sinica!
lingua-sinica.org/dispatch/cmg...
lingua-sinica.org/dispatch/cmg...
CMG Signs Cooperation Agreement with Venezuelan Communication Ministry - Lingua Sinica
On September 13, 2023, the China Media Group ( 中央廣播電視總台), or CMG, and Venezuela’s Ministry of Popular Power for Communication and Information (Minci) signed a memorandum of understanding in Beijing. T...
lingua-sinica.org
January 8, 2026 at 8:16 AM
Wondering about China's role in shaping Venezuela's information landscape? We've been tracking it. During Maduro's 2023 Beijing visit, CMG signed a sweeping media cooperation deal with Venezuela's government. Explore the full picture at Lingua Sinica!
lingua-sinica.org/dispatch/cmg...
lingua-sinica.org/dispatch/cmg...
A very interesting leak from China just came out! Allegedly 1.2 billion records including: full name, gender, full address, phone number, national ID, birthdate, geo-coordinates, residence registration, file timestamps. The leak is allegedly from china.gov.cn systems 😮 #China #Dataleak
January 8, 2026 at 9:30 AM
A very interesting leak from China just came out! Allegedly 1.2 billion records including: full name, gender, full address, phone number, national ID, birthdate, geo-coordinates, residence registration, file timestamps. The leak is allegedly from china.gov.cn systems 😮 #China #Dataleak
Hello everyone. My new investigations have been to take a look into something called freewechat (Ziyou Weixin 自由微信).
You can read it on my substack or medium here:
medium.com/@chloetan31/...
open.substack.com/pub/chloetan...
You can read it on my substack or medium here:
medium.com/@chloetan31/...
open.substack.com/pub/chloetan...
Behind the Firewall - Freewechat
Hello everyone.
open.substack.com
December 5, 2025 at 11:13 AM
Hello everyone. My new investigations have been to take a look into something called freewechat (Ziyou Weixin 自由微信).
You can read it on my substack or medium here:
medium.com/@chloetan31/...
open.substack.com/pub/chloetan...
You can read it on my substack or medium here:
medium.com/@chloetan31/...
open.substack.com/pub/chloetan...
Hello everyone, I have found something interesting on Leakbase and I wanted to share this with you.
The post is about leaked documents from a marine research laboratory in China called Laoshan Laboratory.
Read it on here: medium.com/@chloetan31/...
#China #Lab #Leak
The post is about leaked documents from a marine research laboratory in China called Laoshan Laboratory.
Read it on here: medium.com/@chloetan31/...
#China #Lab #Leak
The Laoshan Lab Leak
Hello everyone, I have found something interesting on Leakbase and I wanted to share this with you.
medium.com
November 14, 2025 at 1:20 PM
Hello everyone, I have found something interesting on Leakbase and I wanted to share this with you.
The post is about leaked documents from a marine research laboratory in China called Laoshan Laboratory.
Read it on here: medium.com/@chloetan31/...
#China #Lab #Leak
The post is about leaked documents from a marine research laboratory in China called Laoshan Laboratory.
Read it on here: medium.com/@chloetan31/...
#China #Lab #Leak
Reposted by Chloe Tan OSINT
Data Breaches Digest - Week 43 2025
www.dbdigest.com/2025/10/data...
#databreach #databreaches #databreachesdigest #dataprivacy #GDPR #HIPAA #cybersec #cybersecurity #infosec #informationsecurity #cyberattack #hacked #malware #phishing #ransomware
www.dbdigest.com/2025/10/data...
#databreach #databreaches #databreachesdigest #dataprivacy #GDPR #HIPAA #cybersec #cybersecurity #infosec #informationsecurity #cyberattack #hacked #malware #phishing #ransomware
Data Breaches Digest - Week 43 2025
Daily Digest of Global Data Breaches and Cyber Security News and Advice
www.dbdigest.com
October 24, 2025 at 11:20 AM
Data Breaches Digest - Week 43 2025
www.dbdigest.com/2025/10/data...
#databreach #databreaches #databreachesdigest #dataprivacy #GDPR #HIPAA #cybersec #cybersecurity #infosec #informationsecurity #cyberattack #hacked #malware #phishing #ransomware
www.dbdigest.com/2025/10/data...
#databreach #databreaches #databreachesdigest #dataprivacy #GDPR #HIPAA #cybersec #cybersecurity #infosec #informationsecurity #cyberattack #hacked #malware #phishing #ransomware
Chang’An Sleepless Night – China’s 24/7 DarkNet Marketplace
I’ve recently started looking into the darknet, I had always heard people talk about it as this strange place on the Internet where weird and wild stuff could be found.
I’ve recently started looking into the darknet, I had always heard people talk about it as this strange place on the Internet where weird and wild stuff could be found.
October 6, 2025 at 11:42 AM
Chang’An Sleepless Night – China’s 24/7 DarkNet Marketplace
I’ve recently started looking into the darknet, I had always heard people talk about it as this strange place on the Internet where weird and wild stuff could be found.
I’ve recently started looking into the darknet, I had always heard people talk about it as this strange place on the Internet where weird and wild stuff could be found.
Pretty crazy to think that Huawei believes it can catch up to Nvidia in 3 years - I think it is an impossible task! We'll see... 👀 #China #Chinatech #TechWars
JUST IN: 🇨🇳 China's Huawei announces three-year plan to overtake Nvidia $NVDA in AI chips.
September 23, 2025 at 2:24 PM
Pretty crazy to think that Huawei believes it can catch up to Nvidia in 3 years - I think it is an impossible task! We'll see... 👀 #China #Chinatech #TechWars
Crazy!!!
A Darkforums user is allegedly selling 7TB of data hacked from TikTok.
It is unknown if this was a hack or someone on the inside but either way this is preetty huge 💣
#ChinaLeak #TechTok #ChinaTok #TechNews #InfoSec
A Darkforums user is allegedly selling 7TB of data hacked from TikTok.
It is unknown if this was a hack or someone on the inside but either way this is preetty huge 💣
#ChinaLeak #TechTok #ChinaTok #TechNews #InfoSec
September 22, 2025 at 2:11 PM
Crazy!!!
A Darkforums user is allegedly selling 7TB of data hacked from TikTok.
It is unknown if this was a hack or someone on the inside but either way this is preetty huge 💣
#ChinaLeak #TechTok #ChinaTok #TechNews #InfoSec
A Darkforums user is allegedly selling 7TB of data hacked from TikTok.
It is unknown if this was a hack or someone on the inside but either way this is preetty huge 💣
#ChinaLeak #TechTok #ChinaTok #TechNews #InfoSec
Reposted by Chloe Tan OSINT
Secret docs point to China’s underground nuclear command center- ten times bigger than the Pentagon. A hidden fortress like that changes the stakes in any conflict and signals just how far Beijing is planning ahead. #China #Pentagon #Nuclear #Military www.sustainability-times.com/policy/warni...
These Secret Documents That Pentagon Officials Fear Most Reveal China's Massive Underground Nuclear Command Center
The immense scale of China's new military hub, dubbed the "Beijing Military City," has captured global attention. Reportedly ten times larger than the
www.sustainability-times.com
September 19, 2025 at 1:20 PM
Secret docs point to China’s underground nuclear command center- ten times bigger than the Pentagon. A hidden fortress like that changes the stakes in any conflict and signals just how far Beijing is planning ahead. #China #Pentagon #Nuclear #Military www.sustainability-times.com/policy/warni...
🔥 Great Firewall of China database has been leaked!!
A user on DarkForums is allegedly selling this database containing over 600GB - not a good look for China!
#ChinaNews #ChinaData #ChinaLeak #OSINT #ChinaOSINT
A user on DarkForums is allegedly selling this database containing over 600GB - not a good look for China!
#ChinaNews #ChinaData #ChinaLeak #OSINT #ChinaOSINT
September 19, 2025 at 1:07 PM
🔥 Great Firewall of China database has been leaked!!
A user on DarkForums is allegedly selling this database containing over 600GB - not a good look for China!
#ChinaNews #ChinaData #ChinaLeak #OSINT #ChinaOSINT
A user on DarkForums is allegedly selling this database containing over 600GB - not a good look for China!
#ChinaNews #ChinaData #ChinaLeak #OSINT #ChinaOSINT