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Chinese national charged with operating ‘world’s largest botnet’ linked to billions in cybercrimes

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Chinese national charged with operating ‘world’s largest botnet’ linked to billions in cybercrimes
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A Chinese national has been arrested for his role in operating a residential proxy service that was used to defraud billions of dollars from the U.S. government and fund his lavish lifestyle, which included buying luxury cars and property around the world, the Department of Justice announced Wednesday.

YunHe Wang, 35, was arrested on May 24 and charged with creating a massive network of hijacked computer devices, also known as a “botnet,” that was used to conduct cyber attacks, fraud, child exploitation, bomb threats, and export violations, the department alleged. Wang administered the botnet, called “911 S5,” through about 150 servers worldwide from 2014 to 2022, according to an indictment unsealed last week.

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About 76 of the servers were leased from online service providers based in the United States, the indictment said. The botnet infected over 19 million IP addresses in nearly 200 countries, including over 613,000 IP addresses located in the United States, according to prosecutors.

The Justice Department announcement comes after Wang and his two co-conspirators, Jingping Liu and Yanni Zheng, were sanctioned by the Department of Treasury for their alleged involvement with the malicious botnet. The department also imposed sanctions on three luxury companies Wang owned or controlled.

Authorities also searched Wang’s residences and seized assets valued at about $30 million as well as identifying other property valued at roughly an additional $30 million, prosecutors said.

“The conduct alleged here reads like it’s ripped from a screenplay,” Matthew Axelrod, assistant secretary for export control at the Department of Commerce, said in a statement Wednesday. “A scheme to sell access to millions of malware-infected computers worldwide, enabling criminals over the world to steal billions of dollars, transmit bomb threats, and exchange child exploitation materials — then using the scheme’s nearly $100 million in profits to buy luxury cars, watches, and real estate.”

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The Department of Justice partnered with the FBI and international law enforcement agencies in Singapore, Thailand, and Germany to dismantle the botnet and arrest Wang. The case is the latest in the federal government’s ongoing effort to thwart global cybercrime, which has become increasingly widespread.

These crimes can range from intellectual property theft to ransomware and can cost businesses billions of dollars in losses in addition to threatening critical sectors across the country, according to the Department of State. In recent years, federal authorities have expanded their international operations and country-to-country partnerships in order to better address cyber threats.

‘Urgency and severity of cyberattacks’: EPA urges water utilities to protect nation’s drinking water amid heightened cyberattacks

911 S5 Botnet ‘likely the world’s largest botnet ever’

FBI Director Christopher Wray said in a statement Wednesday that 911 S5 is “likely the world’s largest botnet ever.” According to the indictment, Wang allegedly spread his malware through Virtual Private Network programs and pay-per-install services, which allowed him to manage and control the roughly 150 servers.

Paying customers were then given access to proxied IP addresses that were linked to the hacked devices, the indictment said. Cybercriminals used those addresses to hide their locations and “anonymously commit a wide array of offenses,” the Department of Justice alleged.

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“These offenses including financial crimes, stalking, transmitting bomb threats and threats of harm, illegal exportation of goods, and receiving and sending child exploitation materials,” according to the department. “Since 2014, 911 S5 allegedly enabled cybercriminals to bypass financial fraud detection systems and steal billions of dollars from financial institutions, credit card issuers, and federal lending programs.”

Specifically, the botnet targeted COVID-19 pandemic relief programs and filed an estimated 560,529 fraudulent unemployment insurance claims, according to the indictment. Federal authorities confirmed that more than $5.9 billion was stolen as a result.

The indictment further alleged that Wang had amassed about $99 million — either in cryptocurrency or fiat currency — from his sales of the infected proxied IP addresses. He used the illicit proceeds to purchase luxury assets and property.

Wang bought property in the United States, St. Kitts and Nevis, China, Singapore, Thailand, and the United Arab Emirates, according to the indictment. He also had dozens of other assets, such as luxury cars, watches, international bank accounts, and cryptocurrency wallets.

Wang was charged with conspiracy to commit computer fraud, substantive computer fraud, conspiracy to commit wire fraud, and conspiracy to commit money laundering. He faces a maximum of 65 years in prison.

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Cybercrime, COVID fraud in the U.S.

Cybercrime is a “significant and growing threat” to the country’s national and economic security, according to the State Department. As people become more dependent on information and communication technologies, the department said more criminals continue to shift online.

Wang’s arrest also comes amid a push from federal officials for organizations to update and follow cybersecurity guidelines. Federal agencies have issued multiple advisories for cyberattacks committed by foreign groups in recent years.

In January, the FBI and Department of Justice announced that they had “disrupted a botnet of hundreds of U.S.-based small office/home office routers hijacked” by China-linked hackers. The group, known as “Volt Typhoon,” targeted critical infrastructure organizations in the United States, such as water systems and electric grids.

The surge in malicious cyber incidents coincides with the rise in online communication during the COVID-19 pandemic, according to a 2023 cyberthreat study. Citing FBI data, the study said cybercrime increased by 400% during the pandemic.

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“Cybercriminals find the uncertainty brought by changing daily habits opportune and the increased virtual existence is converted into available attack vectors,” the study noted.

In the four years since the onset of the pandemic, the Internal Revenue Service has investigated over 1,600 tax and money laundering cases related to COVID-19 fraud potentially worth about $8.9 billion, the agency said in March. Cases included fraudulently obtained loans, credits and payments meant for U.S. workers, families and small businesses under the Coronavirus Aid, Relief and Economic Security, or CARES, Act.

Contributing: Josh Meyer, USA TODAY

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Video: National Guard Member Dies After Shooting Near White House

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National Guard Member Dies After Shooting Near White House

Army Specialist Sarah Beckstrom, a 20-year-old member of the West Virginia Army National Guard, died on Thursday from wounds suffered in an ambush. President Trump said she was “outstanding in every way.”

Sarah Beckstrom of West Virginia… … started service in June of 2023. Outstanding in every way. She has just passed away.

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Army Specialist Sarah Beckstrom, a 20-year-old member of the West Virginia Army National Guard, died on Thursday from wounds suffered in an ambush. President Trump said she was “outstanding in every way.”

By Shawn Paik

November 27, 2025

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The housing crisis is pushing Gen Z into crypto and economic nihilism

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The housing crisis is pushing Gen Z into crypto and economic nihilism

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This article is part of the FT Financial Literacy & Inclusion Campaign’s seasonal appeal. The appeal is supported by lead partner Experian, which is generously match-funding other donations.

It has become a rite of passage for every new generation of young adults to be labelled lazy and irresponsible by its elders, but Gen Z has probably had it worse than most. Accusations range from not making an effort at work to splurging on luxuries and a “Yolo” attitude to risky investments like cryptocurrencies and NFTs.

There are two important differences between Gen Z and those previous generations facing similar disdain. The first is that rather than pushing back on these characterisations, today’s 20-somethings have tended to embrace them, leaning into neologisms such as “quiet quitting”. The second is that new evidence suggests these behaviours are rational responses to worsening economic prospects: specifically, the increasing unattainability of home ownership.

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In a pioneering study published last week, economists at the University of Chicago and Northwestern University used detailed data on the card transactions, wealth and attitudes of Americans to demonstrate that reduced work effort, increased leisure spending and investment in risky financial assets (including crypto) are all disproportionately common among young adults who face little to no realistic prospect of being able to afford a house. By contrast, Seung Hyeong Lee and Younggeun Yoo’s research finds that those for whom home ownership is a more realistic possibility in the medium term, or who have already attained it, take fewer risks and strive harder at work.

I have extended their analysis to the UK and find a similar picture. Young British renters who have little hope of cobbling together a deposit are much more likely to take financial risks — with online betting, for example — than their contemporaries who are on or within reach of the housing ladder.

Most importantly, Lee and Yoo use time series data and local house prices to show that the link between unaffordable housing and economic behaviour appears to be causal. Recent upticks in financial risk-taking, leisure spending and reduction in work effort respond to changing economic incentives. As housing affordability deteriorates, those who come to believe they are locked out of home ownership resort to a mixture of high-risk bets and what US economic commentator Kyla Scanlon calls “financial nihilism” — why strive and save when it won’t be enough to make it anyway? — while their better-placed counterparts tighten their belts.

The findings on effort at work are particularly notable. Gen Z is often characterised as lacking resilience in the workplace; many young employees have taken to social media to bemoan the pointlessness of the nine to five. The evidence suggests these changing beliefs and behaviours are grounded in economic reality as it evolves. It’s not that previous generations were more engaged in their work because jobs back then were thrilling, it’s that applying oneself at work used to be a means to an end. With the reward of owning your own home yanked out of reach, the whole thing feels futile.

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The same conclusion follows from the increasing importance of parental help to climb the ladder. For most first-time buyers in the US, the UK and Australia, the biggest hurdle is not salary but down payment. Why stay late in the office to finish that project in the hope of a modest pay rise when you know you’ll end up needing a six-figure deposit that might take decades to build up regardless?

The results of these studies have important implications. First, they underscore the critical urgency of addressing the home ownership affordability crisis. The impact, as we can now see, is destabilising the wider economy and society, setting many young adults on a slippery financial path where mis-steps may prove unrecoverable.

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Second, they highlight the importance of providing young people with the financial literacy they need to navigate a new world where for many the only hope of success is to take big monetary risks. Today’s 20-somethings are much more likely to end up as life-long renters than their parents were. This means they will need more guidance than past generations on other means of wealth accumulation, as well as the skills and support to know that it’s not yet game over.

It’s all very well bemoaning the growing economic nihilism of younger generations — and the evidence bears it out — but they’re just playing the cards they have been dealt.

john.burn-murdoch@ft.com, @jburnmurdoch

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What does this week’s UK Budget mean for your finances? Join a free webinar on Friday 28 November 1300-1400 GMT with FT journalists Claer Barrett, Stuart Kirk, Tej Parikh and special guest, tax expert Dan Neidle. Register now and put your questions to our panel.

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National Guard member dies from injuries. And, death toll in Hong Kong fire rises

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National Guard member dies from injuries. And, death toll in Hong Kong fire rises

Good morning. You’re reading the Up First newsletter. Subscribe here to get it delivered to your inbox, and listen to the Up First podcast for all the news you need to start your day.

Today’s top stories

Sarah Beckstrom, one of two West Virginia National Guard members who were shot in Washington, D.C., on Wednesday, has died. President Trump announced the 20-year-old’s death during a Thanksgiving call to service members. Beckstrom and the other Guard member, 24-year-old Andrew Wolfe, were on patrol a few blocks away from the White House when the alleged gunman, Rahmanullah Lakanwal, opened fire. Wolfe remains in critical condition. In the wake of this shooting, the Trump administration is launching a comprehensive “reexamination” of thousands of refugees and migrants who have been admitted to the U.S. and granted green cards.

This photo combination shows West Virginia National Guard Staff Sgt. Andrew Wolfe (left) and Specialist Sarah Beckstrom, who were injured in Wednesday’s shooting in Washington, D.C.

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  • 🎧 Lakanwal served in Afghanistan alongside U.S. forces as part of an elite counter-terrorism unit connected to the CIA and the military, NPR’s Brian Mann tells Up First. The alleged gunman applied for asylum during the Biden administration and was granted protection in April of this year under the Trump administration. Trump has called for an effort to “denaturalize migrants” and “deport” foreign nationals. Mann notes that the Trump administration’s narrative suggests that Lakanwal was allowed into the U.S. without proper vetting, indicating that this could be a broader issue. But sources like the nonprofit group AfghanEvac tell NPR that Lakanwal would have been scrutinized repeatedly in Afghanistan and before he arrived in the U.S. Experts say that while the vetting process for Afghan refugees was audited and found to be imperfect, it was thorough. They also emphasize that the majority of refugees from Afghanistan are living in the U.S. peacefully.

At least 128 people have died after a massive fire engulfed a high-rise housing complex that houses around 4,600 people in Hong Kong from Wednesday to Friday. This is one of the region’s deadliest blazes in decades, and authorities have indicated that the death toll may continue to rise. The police have arrested three men for alleged manslaughter in connection with the fire. Here’s what else we know.

(Just a few) of the Books We Love

Hey folks – Andrew Limbong here, host of NPR’s Book of the Day podcast. I’m tapping in this week to let you all know about our annual recommendation engine, Books We Love. If you wanna come and hang and keep chatting about books stuff, subscribe to the books newsletter!

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This week, NPR dropped its massive year-end book recommendation tool, Books We Love. It’s not quite a year-end list, 10 best or whatever, seeing as there are more than 380 books included. Instead, it’s a way of saying: Here’s a bunch of books. There’s something in here for you.

But I get it — 380 is a daunting number, even with Books We Love’s handy-dandy filter tag system. So here’s just a small slice, a sliver, a taste of a few of the books several of our staffers and critics were into this year.

An assortment of book covers from the 2025 edition of Books We Love.

📚 The Dream Hotel by Laila Lalami — You know that spooky feeling you get when you make small talk with someone about needing a new TV, and your phone then just happens to send you the latest TV deals? This dystopian novel is like that but scarier. Emily Kwong, host of NPR’s Short Wave, writes, “I found The Dream Hotel instructive for navigating a society beset by mass surveillance — where the only escape can be found in shouldering risk together.”

  • 📚 King of Ashes by S.A. Cosby — If gritty crime fiction is more your thing, Cosby’s latest centers around a family-run small business that gets roped into being involved with a local drug gang. If you think you’ve heard this one before, that small business happens to be a crematorium. Weekend Edition producer Melissa Gray writes, “This story spins and spins violently to a dark and satisfying conclusion.”
  • 📚 Mother Mary Comes to Me by Arundhati Roy — This time of year finds lots of folks feeling … different, complicated, conflicting feelings about their parents. The novelist Arundhati Roy wrestles with her own ambivalent feelings about her mother in this new memoir. Morning Edition host Leila Fadel writes, “It’s a story of turbulent love and of liberation that is beautiful, witty and at times uncomfortable to read.”
  • 📚 Everything Is Tuberculosis: The History and Persistence of Our Deadliest Infection by John Green — You might recognize TB by its more romantic name, consumption. But … it’s weird there was a time when we romanticized this deadly disease, right? In this book, Green presents TB as very much a present, fatal, yet curable concern. Here & Now producer James Perkins Mastromarino writes that the book is “witty, cogent and achingly beautiful.”

Again, this is just a tiny fraction of the hundreds of books we’ve got on this year’s edition of Books We Love, as recommended by our staffers and critics. But if you’re into this and want to read about books all year round, subscribe to the books newsletter!

Black Friday stories you may have missed

It's gift-giving season, and some consumer and child advocacy groups are raising concerns about the latest buzz-worthy AI toys

It’s gift-giving season, and some consumer and child advocacy groups are raising concerns about the latest buzz-worthy AI toys

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The nonprofit children’s safety organization Fairplay is urging gift-givers to refrain from purchasing AI toys for kids this holiday season. In an advisory, Fairplay and other child and consumer advocacy groups highlight the potential dangers of toys such as interactive dolls and children’s robots designed to mimic human behavior and engage with kids as if they are friends. The advisory points out that these toys exploit children’s trust and can disrupt human relationships, among other negative effects.

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Muralist Maxx Moses is putting the “Black” in Black Friday. For the second year in a row, he’s hosting the Black Friday Artists Market at the Graffiti Gardens in San Diego. Moses painted the walls of the studio, which he uses to partner with local organizations. The market will feature a diverse group of emerging and established local artists, aiming to celebrate Black culture, community and economics. (via KPBS)

This holiday shopping season, expect deep discounts as retailers aim to encourage cautious shoppers to splurge. The National Retail Federation predicts a record-breaking season, with Americans projected to spend over $1 trillion on gifts, food, and decorations, reflecting a growth rate of about 4% — similar to last year.

Now that the Thanksgiving excitement is over, it is time for millions of Americans to make that long trek home. For some, the trip means dealing with car sickness. If you are one of those people, don’t fret, NPR’s How To Do Everything podcast has the guidance you need to make the ride better.

Weekend picks

 Renate Reinsve in Sentimental Value.

Renate Reinsve in Sentimental Value.

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Check out what NPR is watching, reading and listening to this weekend:

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🍿 Movies: In Sentimental Value, a well-known filmmaker works on his next feature while he tries to reconnect with his estranged daughters. According to Pop Culture Happy Hour, his endeavor highlights the complexity between art and parenthood.

📺 TV: This week marked the beginning of the end for Netflix’s 1980s-set horror drama Stranger Things. But will this final season provide a satisfying conclusion? Here’s what NPR critic Eric Deggans has to say. (Warning: there are spoilers ahead).

📚 Books: Do you really need MORE recommendations after Andrew Limbong’s essay? If the answer is yes, check out four books that were released this week, which range from a deep dive into crosswords to a posthumous collection of short stories.

🎵 Music: Now that Thanksgiving is over, as Mariah Carey famously says, “It’s time…” to turn on the holiday music. Download the NPR app today and explore our special collection of holiday music streams from across the NPR network, from the perfect soundtrack for your next party to the finest holiday jazz.

🍽️ Food: Are leftovers taking over your fridge today? Chef Kathy Gunst offers recipes to help transform them into something possibly even better than when you first ate them.

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This newsletter was edited by Suzanne Nuyen.

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