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T-Mobile hacked by Chinese cyber espionage in major attack on US telecoms

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T-Mobile hacked by Chinese cyber espionage in major attack on US telecoms

The telecom industry is one of cybercriminals’ favorite targets, likely because of the sensitive data it stores. Your carrier knows what you search for on the web, which websites you visit, who you call and what you text. This type of information is valuable not only to hackers but also to governments. That’s probably why U.S. phone giant T-Mobile was hacked as part of a broad cyberattack on domestic and international phone and internet companies in recent months.

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T-Mobile booth (T-Mobile) (Kurt “CyberGuy” Knutsson)

What you need to know

T-Mobile’s network was compromised in a major Chinese cyber-espionage operation targeting multiple U.S. and international telecommunications companies, according to a report that cited sources familiar with the matter.

The report revealed that hackers connected to a Chinese intelligence agency breached T-Mobile as part of a monthslong effort to spy on the cellphone communications of high-value intelligence targets. However, the report did not specify when the attack occurred, and it remains unclear whether any information about T-Mobile customers’ calls or communication records was stolen.

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The U.S. government also confirmed this month that Chinese hackers breached multiple U.S. telecommunications service providers to access wiretap systems used by law enforcement for surveillance of Americans. Wiretap systems allow law enforcement agencies to monitor phone calls, text messages and internet communications as part of investigations, typically with a warrant. 

CISA (Cybersecurity and Infrastructure Security Agency) and the FBI issued a joint statement revealing “a broad and significant” cyber espionage campaign. The statement disclosed that PRC-affiliated hackers had breached networks at “multiple telecommunications companies” across the United States. While CISA and the FBI did not name the organizations affected, multiple reports suggest that T-Mobile, AT&T, Lumen (formerly CenturyLink) and Verizon are likely on the list.

WSJ reported in October that Chinese hackers had access to the networks “for months or longer,” enabling them to collect “internet traffic from internet service providers that count businesses large and small and millions of Americans as their customers.”

Illustration of a hacker at work (Kurt “CyberGuy” Knutsson)

HERE’S WHAT RUTHLESS HACKERS STOLE FROM 110 MILLION AT&T CUSTOMERS

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T-Mobile’s many data breaches

T-Mobile has faced several hacks in recent years. In 2021, a malicious actor breached T-Mobile’s lab environment by posing as a legitimate connection to an unidentified piece of equipment. The hacker guessed passwords for multiple servers and moved laterally through the network, ultimately stealing personal data, including names, addresses, Social Security numbers and driver’s license IDs, from tens of millions of customers.

In 2022, T-Mobile experienced another breach when a malicious actor used SIM-swapping, phishing and other tactics to infiltrate the company’s internal platform for managing mobile resellers who serve T-Mobile customers.

The troubles continued into 2023. Early in the year, hackers used phished credentials from dozens of T-Mobile retail employees to access a sales application originally set up during the COVID-19 pandemic for remote viewing of customer data. Then, in January 2023, a misconfigured application programming interface exposed personal data for 37 million current customers, marking yet another significant security lapse.

Illustration of a hacker at work (Kurt “CyberGuy” Knutsson)

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T-Mobile’s response

When CyberGuy reached out to T-Mobile regarding the latest security incident, a spokesperson provided the following statement: “T-Mobile is closely monitoring this industry-wide attack. Due to our security controls, network structure and diligent monitoring and response we have seen no significant impacts to T-Mobile systems or data. We have no evidence of access or exfiltration of any customer or other sensitive information as other companies may have experienced. We will continue to monitor this closely, working with industry peers and the relevant authorities.”

WHAT TO DO IF YOUR BANK ACCOUNT IS HACKED

5 ways to stay safe amid the rise in telecom data breaches

1) Change your passwords regularly: Make it a habit to update your passwords every few months, especially for your telecom accounts and related services. Use strong, unique passwords that include a mix of letters, numbers and symbols. Password managers can help you generate and store these securely.

2) Invest in personal data removal services: Consider services that scrub your personal information from public databases. This reduces the chances of your data being exploited in phishing or other cyberattacks after a breach. Check out my top picks for data removal services here.

3) Use identity theft protection: Identity theft protection services monitor your accounts for unusual activity, alert you to potential threats and can even assist in resolving issues if your data is compromised. See my tips and best picks on how to protect yourself from identity theft.

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4) Enable two-factor authentication (2FA): Add an extra layer of security to your telecom accounts with 2FA. This requires a second form of verification, like a text code or an app-based prompt, making it harder for hackers to access your accounts even if they have your password.

5) Guard against phishing scams with strong antivirus software: Be cautious about unsolicited calls, texts or emails that ask for personal information or account access. Legitimate companies won’t ask for sensitive details this way. If something seems off, contact your telecom provider directly through official channels. Whatever you do, don’t click on links, as they can lead to scams or malware.

The best way to safeguard yourself from malicious links that install malware, potentially accessing your private information, is to have strong antivirus software installed on all your devices. This protection can also alert you to phishing emails and ransomware scams, keeping your personal information and digital assets safe. Get my picks for the best 2024 antivirus protection winners for your Windows, Mac, Android and iOS devices.

Kurt’s key takeaway

Telecom providers like T-Mobile and AT&T are frequent targets for hackers. Over the last two years, millions of Americans have had their data stolen, things like call records, text messages and even personal details. The issue got so bad that the FCC stepped in, warning T-Mobile to step up its cybersecurity efforts. The company was fined about $30 million, split between a $15 million penalty and a mandatory $15 million investment in better security. Unfortunately, if the companies handling your data keep getting breached, there’s only so much you can do.

Do fines and penalties for telecom companies feel like enough of a deterrent, or should they face stricter consequences? Let us know by writing us at Cyberguy.com/Contact.

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Amazon’s Echo Hub gets a customizable new look and Ring’s AI features

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Amazon’s Echo Hub gets a customizable new look and Ring’s AI features

Amazon’s rolling out a free software update for Echo Hub devices that gives the home screen a much-needed update to the interface it launched with in 2024. It had already added Alex Plus AI support, but the new interface has a cleaner, fully customizable layout that fits more smart home info and controls on the screen than the previous version.

A small touchscreen tablet on a counter next to some flowers.

The Echo Hub is also getting access to Ring AI’s Video Search feature that lets you use natural language to search through your smart home camera footage, as well as Alexa Plus summaries of detected camera events.

These are the five new features Amazon highlighted for the Echo Hub:

Organize by r …

Read the full story at The Verge.

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Grandparents are identity theft’s biggest payday

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Grandparents are identity theft’s biggest payday

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The FBI calls it a “distress scam.” It is also known as a grandparent scam. The scam works by making an older adult believe a grandchild is in serious trouble and needs money right away, often before a court date or legal deadline. Victims reported more than $5 million in losses to this type of fraud in 2025. The FBI’s Internet Crime Complaint Center also noted that reported losses likely show only part of what scammers actually stole.

The Federal Trade Commission found in August 2025 that some of the fastest-growing scams targeting older adults use fear and urgency to override good judgment. A caller may claim your bank account was hacked and say you need to move your money immediately to protect it. However, the money does not move to safety. It goes straight to the scammer.

HOW TO HAND OFF DATA PRIVACY RESPONSIBILITIES FOR OLDER ADULTS TO A TRUSTED LOVED ONE

AI voice-cloning tools have made these scams even more convincing. Scammers can use a birthday video, voicemail or social media clip to mimic a grandchild’s voice. Then they place the call. The voice sounds familiar, the emergency feels real and the request for bail money seems urgent. The FBI counted $352 million in AI-related scam losses among victims 60 and older this past year.

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Scammers are using stolen personal data, AI voice cloning and urgent phone calls to trick grandparents into sending money. (ljubaphoto/Getty Images)

What makes grandparents worth targeting

The same three pieces of data are required for identity verification at most banks, brokerages, pension recordkeepers, and Medicare: date of birth, last four digits of a Social Security number, and a current mailing address. For most people in their sixties and seventies, all of those accounts are open.

Those three fields have turned up in breach after breach. The Conduent Business Services breach pulled names, SSNs, dates of birth, and home addresses for more than 25 million Americans from systems that process Medicaid records and employer health plans. Texas Attorney General Ken Paxton called it the largest data breach in U.S. history in February 2026.

Americans between 65 and 74 held a median net worth of $409,900 in 2022, according to the Federal Reserve’s Survey of Consumer Finances, more than ten times the median for adults under 35. The FBI found average losses of approximately $38,500 per victim among Americans 60 and older in 2025, nearly double the figure for younger filers.

Why elder fraud losses are often underreported

Older adults reported $2.4 billion in fraud losses to the Federal Trade Commission in 2024. However, the FTC’s December 2025 report to Congress estimated that real losses may have reached $81.5 billion that year. Most cases likely went unreported.

That gap makes identity theft harder to stop. A fraudulent wire from a pension account may never alert a bank. A new credit account opened with stolen information may not reach the victim until it appears on a credit report. By then, weeks may have passed since the application was approved.

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Account protections worth setting up

Scammers move fast, so it helps to set up account protections before anything goes wrong. These steps can give banks, brokerage firms and family members more ways to spot trouble early.

1) Add a trusted contact to brokerage accounts

Brokerage accounts have a protection option many account holders never activate: a trusted contact designation. Under FINRA Rule 4512, brokerage firms must ask for a trusted contact when you open or update an account. A trusted contact can be a family member, attorney or accountant. The firm can contact that person if it suspects financial exploitation or cannot reach you. However, that person cannot trade, withdraw funds or view your account balances. FINRA, the SEC and the North American Securities Administrators Association asked investors in August 2025 to contact their firm and add one. You can name more than one trusted contact. You can also change the designation at any time.

SOCIAL SECURITY ADMINISTRATION PHISHING SCAM TARGETS RETIREES

Families can help protect older adults by adding trusted contacts, verifying urgent calls and blocking online Social Security changes. (Kurt “CyberGuy” Knutsson)

2) Ask about holds on suspicious withdrawals

Under FINRA Rule 2165, brokerage firms can place a temporary hold on disbursements when they reasonably believe financial exploitation may be happening. That hold can last up to 55 business days. In January 2026, FINRA proposed extending the window to 145 business days. Ask any firm holding a pension, brokerage or annuity account about its policy on disbursements after an address change.

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3) Verify urgent calls before sending money

When a caller claims a grandchild is in trouble or a federal agent needs immediate action, hang up. Then call back using a number you already have, not the number in the message. The FTC found that 41% of older adults who reported losing $10,000 or more to impersonation scams in 2024 said a phone call was the initial point of contact. That makes one simple habit especially important: verify the story before you act.

4) Block online changes to Social Security

Social Security lets you block electronic and automated telephone access to your account record. Once blocked, no one can change your direct deposit information or mailing address online or through the automated phone system. After that, any changes must go through a live SSA representative at 1-800-772-1213 or a field office visit. FINRA also operates a free Securities Helpline for Seniors at 844-574-3577, Monday through Friday, 9 a.m. to 5 p.m. ET.

Identity theft recovery is harder on your own

Even strong account protections may not catch every scam attempt. That is why identity theft monitoring and recovery support can help families respond faster when personal information gets exposed or misused.

Some identity theft protection services monitor dark web marketplaces, data broker sites and people-search sites for exposed Social Security numbers, addresses and other personal information. If fraud happens, recovery support may help contact creditors, file disputes with the three credit bureaus and organize the documentation needed to restore an identity.

OUTSMART HACKERS WHO ARE OUT TO STEAL YOUR IDENTITY

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Older Americans remain prime targets for identity theft because scammers can exploit exposed Social Security numbers, birth dates and addresses. (Kurt “CyberGuy” Knutsson)

Some plans also include identity theft insurance for eligible recovery costs, such as lost wages and legal fees.

No service prevents every misuse of an older adult’s identity. However, family monitoring and fraud resolution can shorten the time between when theft happens and when you or someone in your family acts on it.

See my tips and best picks on Best Identity Theft Protection at Cyberguy.com

Kurt’s key takeaways

Grandparents have become a prime target because scammers know where the money is and how to create panic fast. A familiar voice, a stolen Social Security number or a fake emergency can turn one phone call into a devastating loss. The best defense starts before the call comes. Add trusted contacts to financial accounts, block online Social Security changes, verify urgent requests through a number you already know and talk openly with family about scam warning signs. Identity theft protection can also help spot exposed personal information and speed up recovery if fraud happens. No family can stop every scam attempt. However, a simple plan can give older adults more time, more backup and a better chance of keeping their money safe.

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A warrantless wiretap law is about to expire — but surveillance networks aren’t actually ‘going dark’

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A warrantless wiretap law is about to expire — but surveillance networks aren’t actually ‘going dark’

Congress has failed to pass a three-week extension of Section 702 of the Foreign Intelligence Surveillance Act (FISA), with the House voting 218-198 against reauthorizing the controversial warrantless wiretapping authority through July 2nd. After a short-term extension earlier this year, the spying program now appears set to lapse for at least a week. This is the nightmare scenario FISA’s proponents have been warning about — but it doesn’t actually mean the US has lost its surveillance capabilities.

Proponents of a clean extension claim a lapse will hinder intelligence agencies’ efforts to thwart potential terrorist attacks, with surveillance networks “going dark”. Sen. Tom Cotton (R-AR) stressed the importance of reauthorizing Section 702 ahead of the World Cup. House Speaker Mike Johnson (R-LA) has said even a brief lapse would be disastrous. “Democrats in the Senate are playing political games right now with the lives of Americans,” he told reporters Wednesday. “It’s a very dangerous situation.”

In March, the FISA court recertified surveillance under Section 702 until 2027. The Brennan Center for Justice notes that a lapse won’t allow telecom companies to flout requests to hand over communications information to the NSA and other spy agencies. In 2008, after Yahoo failed to comply with a Section 702 request during a lapse, the FISA court ruled that the directives issued under Section 702 are effective while the certification is in place — even in the event of a lapse.

“The phrase ‘going dark’ is significantly misleading,” Andrea Sawka Fiegl, the senior policy director for media and technology at Common Cause, said on a Tuesday press call. Fiegl added that companies don’t choose whether they participate in surveillance under Section 702. If they don’t comply after being served with a directive, they face fines starting at $250,000 a day.

“The ‘going dark’ framing is basically a pressure tactic designed to strip Congress of its leverage to negotiate reforms by creating this false binary,” Fiegl said. “There is ample time for Congress to consider and pass reforms.”

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Among those reforms are a warrant requirement for queries involving US persons, including so-called “backdoor searches” in which intelligence agencies identify a foreign target with ties to a US person, and then search that person’s communications, thus granting them access to their desired US target. Reformers also want to prohibit intelligence agencies from buying Americans’ data from private brokers to get around warrant requirements.

“Every day that Section 702 is in effect without reforms is a day that Americans’ rights are under threat,” Sen. Ron Wyden (D-OR) said in a statement Wednesday night, after Senate Republicans blocked his request for a five-week extension of Section 702 with new transparency requirements. “If there is going to be an extension of these authorities, there needs to be some guardrails or at least some transparency that would allow Congress and the American people to understand the abuses that have taken place and the need for reforms.”

Though President Donald Trump and Republican leaders in both chambers have called for a clean reauthorization of Section 702, there’s bipartisan appetite for reform — and a handful of Republican holdouts stand in the way of a clean reauthorization. Most Democrats — even some who have supported reauthorization in the past — have objected to a clean extension due to Trump’s appointment of Bill Pulte as acting director of national intelligence.

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