Technology
Chinese hackers target US telecoms: What you need to know to protect your data
U.S. telecom giants are under constant attack from Chinese hackers. A federal investigation has uncovered a massive cyber espionage campaign by the Chinese government, targeting U.S. telecommunications networks to steal Americans’ information. A top White House official confirmed that at least eight U.S. telecom companies have been affected by this hacking spree.
To combat this, the FBI and Cybersecurity and Infrastructure Security Agency (CISA) have released advice for telecom companies to help them detect and block the hackers while preventing future attacks. I break down the details of this Chinese hacking campaign and share tips on how to keep your data safe.
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Illustration of a hacker at work (Kurt “CyberGuy” Knutsson)
What you need to know about the China hacking campaign
According to the FBI, hackers linked to Beijing have infiltrated the networks of “multiple” telecom companies, gaining access to customer call records and private communications of “a limited number of individuals.” Since this is an espionage campaign, they’re not interested in the average Joe’s texts or call history. Instead, their targets are Americans involved in government and politics.
The hackers also tried to copy “certain information that was subject to U.S. law enforcement requests pursuant to court orders,” according to the FBI. This suggests they might have been attempting to breach programs like those under the Foreign Intelligence Surveillance Act, which allows U.S. spy agencies to monitor the communications of individuals suspected of working for foreign powers.
Earlier this month, Deputy National Security Advisor Anne Neuberger shared new details about the scale of the Chinese hacking campaign. According to Neuberger, the U.S. believes the hackers managed to access communications from senior government officials and prominent political figures.
She explained that while the hackers were focused on a relatively small group of individuals, a limited number of Americans’ phone calls and texts were compromised. Neuberger also mentioned that the affected telecom companies are working to address the breaches, but none have been able to completely remove the Chinese hackers from their networks yet.
This campaign is believed to have started a year or two ago, according to the Associated Press. Authorities suspect a Chinese hacking group known as Salt Typhoon to be behind the operation.
Illustration of a hacker at work (Kurt “CyberGuy” Knutsson)
HERE’S WHAT RUTHLESS HACKERS STOLE FROM 110 MILLION AT&T CUSTOMERS
How are hackers able to access sensitive information?
Salt Typhoon managed to access call records and private communications by exploiting decades-old back doors in major telecom providers, including AT&T and Verizon, experts believe.
“The irony here is that the back doors exploited by the Chinese are, in fact, the same back doors that are utilized by federal law enforcement for purposes of conducting legal surveillance,” John Ackerly, CEO and co-founder of Virtru, a data-centric security company, told CyberGuy.
The vulnerabilities are a result of the Communications Assistance for Law Enforcement Act (CALEA), a federal law that mandates back doors in critical telecommunications infrastructure. CALEA enables law enforcement agencies to access phone records and metadata, including facilitating wiretaps, as part of authorized investigations.
“The problem with back doors is simple. They’re not selective. A back door created for law enforcement is, by its very nature, a vulnerability in the system. And vulnerabilities, once they exist, can be exploited by anyone who discovers them. Both good guys and bad guys can enter back doors,” said Ackerly, who previously served as a White House technology adviser.
Illustration of a hacker at work (Kurt “CyberGuy” Knutsson)
BEWARE OF ENCRYPTED PDFs AS LATEST TRICK TO DELIVER MALWARE TO YOU
The solution is end-to-end encryption
To protect private conversations and phone calls, cybersecurity experts recommend using end-to-end encrypted platforms. Jeff Greene, executive assistant director of cybersecurity at CISA, urged Americans to prioritize encrypted communication tools.
“Use your encrypted communications where you have it,” Greene advised, emphasizing the importance of secure platforms. He added, “We definitely need to do that, kind of look at what it means long term, how we secure our networks.”
An FBI official warned that citizens should be “using a cellphone that automatically receives timely operating system updates, responsibly managed encryption and phishing resistant MFA for email, social media and collaboration tool accounts.”
However, cybersecurity experts warn that these measures are not foolproof. The term “responsibly managed encryption” is problematic, as it intentionally leaves room for “lawful access,” such as the back doors required by CALEA.
“It’s clear that encryption with back doors is not actually responsible at all,” Ackerly said. “It’s time for the U.S. government to acknowledge and support end-to-end encryption as a stronger protection against foreign adversaries.”
Illustration of a cybersecurity expert at work (Kurt “CyberGuy” Knutsson)
WHAT TO DO IF YOUR BANK ACCOUNT IS HACKED
10 ways to protect your personal information against cybersecurity threats
Now that we’ve discussed the threat, let’s take a look at the solutions. Here are 10 ways you can keep your personal information safe.
1) Use end-to-end encrypted platforms: For private communications, prioritize platforms that offer end-to-end encryption. This ensures that only you and the intended recipient can access your messages or calls, preventing unauthorized access by hackers or other third parties.
“Anyone can take control of their own data and protect themselves from security threats by using applications that provide end-to-end encryption. Whether you’re emailing, sending messages and files or video chatting, the only way to truly ensure your data is safe from bad actors is to encrypt it as it travels,” Ackerly said. “Choose an app or tool that is easy to use, so that you will actually use it.”
For texting, consider apps like Signal or WhatsApp. For email services, look for ones that offer easy-to-use end-to-end encryption. These platforms ensure that your private communications remain secure from unauthorized access. See my review of the best secure and private email services here.
2) Keep your device’s operating system updated: Make sure your cellphone and other devices automatically receive timely operating system updates. These updates often include important security patches that protect against new vulnerabilities exploited by hackers. For reference, see my guide on how to keep all your devices updated.
3) Enable two-factor authentication (2FA): Set up phishing-resistant 2FA on your email, social media and collaboration tool accounts. This adds an extra layer of protection, requiring more than just a password to access your accounts, making it harder for cybercriminals to steal your information.
4) Use strong antivirus software: Be aware of phishing techniques and remain skeptical of suspicious links, emails or phone calls asking for personal information. Cybercriminals often use these methods to gain access to your sensitive data.
The best way to safeguard yourself from malicious links is to have 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.
5) Encrypt sensitive data: Encrypt data on USB drives, SIM cards and laptops to protect information if devices are lost or stolen. Also, be sure to password-protect your sensitive files or folders by following these steps.
6) Implement strong password practices: Use unique, complex passwords for each account and consider using a password manager.
7) Regularly backup your data: Backing up your data helps protect against data loss from ransomware or device failure. You’ll want to back up your mobile device, Mac and Windows computers.
8) Be cautious with public Wi-Fi: Use a VPN (virtual private network) when connecting to public Wi-Fi networks to encrypt your internet traffic. This makes it harder for hackers and third parties to intercept your data, especially on public Wi-Fi. A VPN masks your IP address, helping to obscure your location and online activity. While VPNs don’t directly prevent phishing emails, they reduce the exposure of your browsing habits to trackers that may use this data maliciously. With a VPN, you can securely access your email accounts from anywhere, even in areas with restrictive internet policies. For the best VPN software, see my expert review of the best VPNs for browsing the web privately on your Windows, Mac, Android and iOS devices.
9) 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.
10) 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.
There’s no denying that the U.S. is facing a serious cyberattack that puts millions at risk. What’s even more concerning is that hackers continue to exploit telecom providers even after the issue has been made public. The government and the affected companies must prioritize addressing this threat and patching the back doors these cybercriminals are using. We’re witnessing one of the largest intelligence compromises in U.S. history.
Do you believe the current laws around encryption and lawful access are enough to protect your privacy? Let us know by writing us at Cyberguy.com/Contact.
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Kurt’s key takeaway
Technology
Slay the Spire II is even better with a friend
Slay the Spire II launched in early access last week, and it’s already an excellent sequel to one of the best roguelikes of all time. In many ways, it’s very similar to its predecessor. Like Hades II and Hollow Knight: Silksong, Slay the Spire II mostly iterates on an already superb foundation. But it does add online co-op with up to four players. While multiplayer changes the familiar rhythms of Slay the Spire just a bit, it’s still a great way to tackle the arduous climb up the spire.
A round of Slay the Spire II plays essentially the same as the original: In each run, you navigate three different acts across a winding map, slowly making a build by crafting your deck and picking up various perk-giving relics, and fighting enemies, elites, and bosses along the way. Slay the Spire II retains the deliberate, turn-based style of play, meaning that when it’s your turn, you have as much time as you want to decide what to do. Since you can see exactly what your enemies are planning for their next turn, there’s a lot of strategy in deciding how much damage to do and how much defense you might need to set up. Multiplayer adds a slight twist: When it’s your turn, everyone can play simultaneously. That opens up all sorts of new opportunities for planning, but it also requires communication to make sure everyone is using their cards effectively.
My multiplayer partner was my wife, the biggest Slay the Spire fan I know, and on our second run we got a thrilling victory. I played the new Necrobinder character, a necromancer, while she played as the returning Silent, which can make decks built around flurries of shivs. Over the course of the run, we accidentally settled into a strategy where I focused on applying the Vulnerable status to as many enemies as possible before my wife would rain down shivs upon our foes.
Slay the Spire II doesn’t encourage teamwork only in battles. At a campfire rest stop, you can choose to mend a friend’s health to help them out. (Some of the new enemies are tough, so I’m glad this is an option.) You each get a vote on which path to take next on the map. Everyone can draw on the map, too — as I learned many times after seeing the doodles my wife made when I would spend too long in the shop.
Since we had to communicate so much, our winning run took about an hour and a half, slower than how fast I could blast through runs in the first game. When we finally defeated the Act 3 boss, though, it was even more satisfying than most of my solo wins because we did it together. My one complaint is that co-op requires you to each play online on your own copy of the game, and that, because there’s no couch co-op, we each had to play on separate devices even though we were sitting on the couch right next to each other.
Those are annoying tradeoffs, but multiplayer is such a fun addition to Slay the Spire that I don’t mind. I can’t wait to try another multiplayer run and see what challenges — and doodles — are in store for me.
Technology
Android fixes 129 security flaws in major phone update
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Most people never think about Android security updates until a headline like this appears. Suddenly, your phone, the device you use for messages, banking, photos and work, becomes part of a global cybersecurity story.
That is exactly what happened this week. Google released its latest Android security updates, and they fix a massive 129 vulnerabilities. Even more concerning, one of them is already being exploited by attackers.
The flaw targets a component connected to Qualcomm graphics hardware, and researchers say it has already been used in limited targeted attacks. If you use an Android phone, this is the kind of update you want installed as soon as possible.
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GOOGLE DISMANTLES 9M-DEVICE ANDROID HIJACK NETWORK
Google’s March Android security update fixes 129 vulnerabilities, including a zero-day flaw already exploited in targeted attacks. (Firdous Nazir/NurPhoto via Getty Images)
Android security flaw already targeted by attackers
One vulnerability in particular has security researchers paying close attention. The flaw is tracked as CVE-2026-21385. Google says there are signs it is already being used in targeted attacks. That makes it a zero-day vulnerability.
In simple terms, attackers discovered the flaw before many devices received a fix. According to Qualcomm, the problem is tied to the graphics processing component inside many of its chipsets. Specifically, the issue involves something called an integer overflow. That technical term means a calculation error can cause memory corruption inside the system. Once that happens, attackers may gain a foothold on the device.
Qualcomm says the flaw impacts 235 different chipsets, which means a large number of Android phones could be affected. Google’s Threat Analysis Group discovered the issue and reported it through coordinated disclosure practices. Qualcomm then worked with device makers to release patches.
Why the Android security vulnerability is dangerous
Several of the patched vulnerabilities allow attackers to execute code remotely or gain elevated privileges on a device. One issue inside the Android System component is especially concerning. Google says it could allow remote code execution without any user interaction.
That means an attacker may exploit the flaw without the victim tapping a link or installing an app. In cybersecurity terms, that type of vulnerability ranks among the most dangerous.
The March Android bulletin addresses ten critical flaws across the System, Framework and Kernel components. These parts sit at the core of Android, so any weakness there can ripple across millions of devices.
ANDROID MALWARE HIDDEN IN FAKE ANTIVIRUS APP
Android users are urged to install the latest security patch as manufacturers roll out updates across devices. (Barrington Coombs/PA Images via Getty Images)
Why some Android phones get security updates faster
Google released two patch levels for this update:
- 2026-03-01 security patch level
- 2026-03-05 security patch level
The second update includes everything in the first, plus fixes for additional hardware components and third-party software. Google Pixel devices typically receive updates immediately. However, many Android users must wait longer.
Phone manufacturers such as Samsung, Motorola and OnePlus often test the patches before releasing them for specific models. Carriers may also delay updates while they verify compatibility. As a result, some users receive security patches quickly while others wait weeks.
How to protect your Android phone from security threats
Security vulnerabilities are a reality in modern software. The good news is that there are several simple steps that can greatly reduce your risk.
1) Install Android updates quickly
Check for updates regularly and install them as soon as they appear. On most devices, go to Settings, tap Security and privacy or Software update, then select Check for updates and install the latest version if one is available. Security updates often fix vulnerabilities that attackers may already be trying to exploit.
2) Avoid apps from unknown sources
Only download apps from trusted stores like Google Play. Third-party app stores pose a higher risk of malware.
3) Keep Google Play Protect enabled
Google Play Protect, which is built-in malware protection for Android devices, scans apps for malicious behavior and warns you if something suspicious appears. It also automatically removes known malware. However, it is important to note that Google Play Protect may not be enough. Historically, it isn’t 100% foolproof at removing all known malware from Android devices. Therefore, we recommend strong antivirus software because it adds another layer of protection by using deeper threat detection, real-time monitoring and broader malware databases that can catch suspicious apps or files that Google Play Protect may overlook. Get my picks for the best 2026 antivirus protection winners for your Windows, Mac, Android & iOS devices at Cyberguy.com
4) Use strong device security
Set a strong passcode on your phone and turn on fingerprint or face unlock if your device supports it. This helps keep strangers out of your phone if it is lost or stolen.
5) Be cautious with suspicious links
Many attacks still start with phishing messages. Avoid tapping unknown links in texts, emails, or social media messages.
YOUR PHONE SHARES DATA AT NIGHT: HERE’S HOW TO STOP IT
A critical Android zero-day tied to Qualcomm chipsets could allow attackers to gain a foothold on affected devices. (Donato Fasano/Getty Images)
The bigger picture behind Android security updates
This Android update also highlights how modern mobile security works behind the scenes. Google’s Threat Analysis Group frequently discovers vulnerabilities that may already be used in real-world attacks. Those findings trigger coordinated responses involving chip manufacturers, phone makers and security researchers. In this case, Qualcomm received the report in December and provided fixes to device makers in early 2026.
By the time the public bulletin arrived, patches were already moving through the Android ecosystem. The process may look slow from the outside. In reality, it involves dozens of companies working together to prevent widespread exploitation.
Kurt’s key takeaways
Security updates rarely feel exciting. Yet they play a critical role in protecting billions of smartphones around the world. This latest Android update proves that point clearly. A zero-day flaw tied to Qualcomm graphics hardware was already being targeted before many users even knew it existed. Installing updates quickly remains one of the simplest ways to protect your device and your personal data. Most of the time, the update only takes a few minutes. Those few minutes can block attacks that might otherwise compromise your phone. So the next time your Android device prompts you to install a security patch, the better question may be this:
When your phone asks for a security update, do you install it immediately or tap remind me later? Let us know by writing to us at Cyberguy.com
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Copyright 2026 CyberGuy.com. All rights reserved.
Technology
Apple smart home display rumors now point to a fall launch with iOS 27
The rumored “HomePod with a screen” we’ve heard so much about was reportedly lined up for launch in 2025, and then this spring, and now, according to the latest updates, it’s on the shelf until this fall. Leaker Kosutami posted as much on X last week, and today, Bloomberg reporter Mark Gurman followed up with similar information, saying its robot arm-equipped cousin is now planned for launch in 2027.
That was supposed to be ready by now, but it is now predicted to arrive later this year, along with the iPhone 18 Pro plus 2027 updates for iOS, macOS, and all the rest. He describes a silver aluminum-cased device with a 7-inch screen and USB-C power port running a version of tvOS 27, while new versions of the HomePod speaker and Apple TV 4K box are also waiting in the wings for that Siri update, and a smart home sensor is in the works, too.
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