Articles by Alex Chen
SparkCat Malware Is Hiding in Normal Apps and Scanning Your Photos for Crypto Wallet Recovery Phrases — Here Is How to Check If Your Phone Is Infected Right Now
Kaspersky found SparkCat trojan in App Store and Play Store apps. It uses OCR to scan your photo gallery for cryptocurrency seed phrases. Five steps to check yo...
766 Next.js Servers Just Got Robbed Blind by React2Shell — Here Is the Five-Step Scan I Ran Before My Coffee Got Cold
CVE-2025-55182 lets attackers steal every credential your Next.js app touches. Cisco Talos found 766 compromised hosts. Here is exactly how I scanned my own inf...
A Poisoned Python Package Just Exposed Thousands of Companies — Here Is How to Audit Every Open Source Dependency Before It Steals Your Cloud Keys
The LiteLLM supply chain attack hit Mercor and thousands of other companies through a single poisoned Python package. Here is a practical 5-step checklist to au...
Cloudflare Turnstile Reads ChatGPT React State Before You Type a Single Word — I Decrypted What 55 Browser Properties It Collects
A security researcher decrypted 377 Cloudflare Turnstile programs and found ChatGPT fingerprints 55 browser properties including your GPU, fonts, and React app ...
TeamPCP Hid Credential-Stealing Malware Inside a WAV File on PyPI — Here Is How to Audit Every Python Package You Install Before It Steals Your Cloud Keys
TeamPCP weaponized a WAV audio file to hide credential-stealing malware inside a PyPI package. Here is how the attack worked and five tools that would have caug...
I Switched to Signal for a Month and Here Is What Nobody Warns You About — The Honest Truth From Someone Who Lost Half Their Group Chats
After switching to Signal exclusively for 30 days, I discovered the privacy app has a dirty secret: it works brilliantly at protecting your messages and terribl...
Best Encrypted Messaging Apps 2026 — Ranked by Someone Who Actually Read the Source Code and Tested Every Single One
I tested every major encrypted messaging app in 2026 for four months. Here is an honest ranking based on security audits, metadata collection, and real-world us...
Signal vs WhatsApp vs Telegram — I Used All Three for 30 Days and Here Is My Verdict
After 30 days of using Signal, WhatsApp, and Telegram as my only messaging apps, here is the honest truth about privacy, usability, and which one actually deser...
The FBI Can Read Your Telegram Messages — Here Is Exactly How They Do It
After the FBI/CISA March 2026 advisory and Durovs cooperation with law enforcement, here is the complete technical breakdown of every method used to access Tele...
Is Signal Actually Safe From Hackers in 2026? I Tested Every Attack Vector — Here Are the Five That Still Work
Signal's encryption is unbreakable. But I found 5 ways your messages can still be compromised.
7 Telegram Privacy Settings You Need to Change Right Now — Your Phone Number Is Visible to Everyone by Default
Telegram exposes your phone number, location, and online status to strangers by default. Here are 7 settings to fix in under 2 minutes.
WhatsApp Privacy Settings You Need to Change Right Now in 2026 — A Complete Security Audit Guide
I ignored my WhatsApp privacy settings for three years until my ex started quoting my status updates. Here are the 10 settings every user needs to change in 202...
Three Million of Your Neighbors Smart Devices Were Secretly Launching the Largest DDoS Attacks in History — How to Check If Yours Is One of Them
The DoJ just disrupted four IoT botnets that enslaved 3 million smart devices for record-breaking DDoS attacks. Your doorbell camera, smart TV, or router could ...
A French Sailor Tracked His Morning Run on Strava and Accidentally Revealed the Exact Location of a Nuclear Aircraft Carrier — Seven Steps to Lock Down Your Fitness App Right Now
A Strava activity on a public profile just pinpointed France only nuclear aircraft carrier in the Mediterranean. Here is how to lock down your fitness app befor...
Your Azure Admins Cannot See Four Different Ways Attackers Have Been Logging Into Your Tenant Invisibly for Three Years
A security researcher just disclosed four different ways attackers could log into Azure Entra ID tenants completely invisibly over the past three years. Here is...
That Thirty Dollar KVM on Your Desk Just Gave Hackers Physical Access to Every Machine in Your Office — Nine Flaws Exposed Across Four Vendors
Eclypsium researchers discovered nine critical vulnerabilities across four popular low-cost IP KVM devices — including one rated 9.8 on the CVSS scale with no...
Your Ubuntu Desktop Has a Ticking Root Bomb and You Have Got Exactly 10 Days to Defuse It
CVE-2026-3888 lets any local attacker escalate to full root access on default Ubuntu Desktop installations through a timing exploit in snap-confine and systemd-...
North Korea Is Using Your Friends KakaoTalk to Send You Malware — Here Is How the Konni Attack Chain Actually Works
The Konni hacking group is turning compromised KakaoTalk accounts into malware distribution hubs. A deep dive into the attack chain and four practical defenses.
GlassWorm Just Hijacked Developer GitHub Tokens to Poison 300 Python Repos — Here Is Why Your Password Manager Alone Cannot Protect Your Code Credentials
GlassWorm ForceMemo attack steals GitHub tokens via malicious VS Code extensions, then force-pushes malware into Python repos. Your password manager cannot prot...
DRILLAPP Just Turned Microsoft Edge Into a Full Spy Suite — 6 Browser Security Tools That Would Have Stopped It Cold
DRILLAPP turns Microsoft Edge into a surveillance tool using debug flags. Here are 6 browser security tools — from enterprise EDR to free Sysmon rules — tha...
Canada Just Passed a Mass Surveillance Bill and Your Country Is Probably Next — Here Is How to Lock Down Your Metadata Right Now
Canada's Bill C-22 introduces mass metadata surveillance capabilities. A step-by-step guide to locking down your DNS, VPN, browser compartmentalization, and hom...
ClickFix Social Engineering Just Tricked Mac Users Into Installing Their Own Malware — Here Is How to Spot It Before You Paste That Terminal Command
Three ClickFix campaigns are using fake AI tool installers and malicious Google Ads to trick Mac users into pasting Terminal commands that install the MacSync i...
GlassWorm Supply Chain Attack Just Hijacked 72 VS Code Extensions — And Your IDE Might Be Next
Socket researchers discovered 72 new malicious Open VSX extensions in the GlassWorm campaign, now using transitive dependencies to deliver payloads through trus...
Iran-Backed Handala Hackers Just Wiped 200,000 Stryker Devices in a Single Night — A Threat Intelligence Breakdown
Iran-backed hacktivist group Handala claims to have wiped 200,000 Stryker devices across 61 countries in a devastating wiper attack linked to MOIS and Void Mant...
Your AI Assistant Has More Access Than Your Senior Engineers — And That Is a Massive Security Problem
AI assistants are evolving from passive tools to autonomous agents with broad access to your digital life. Security researchers warn the gap between capability ...
Negative Light Technology Can Now Hide Data Transfers in Plain Sight — And the Security Implications Are Wild
UNSW Sydney and Monash researchers developed negative luminescence technology that hides data in infrared thermal background, creating covert channels invisible...
Montana Just Passed the First Right to Compute Act in America — And It Could Reshape How You Think About Digital Privacy
Montana became the first US state to pass a Right to Compute Act, protecting citizens' right to own and use AI and computational tools with strict scrutiny for ...
Senator Wyden Just Warned That the NSA Is Doing Something Stunning Under Section 702 — And Most Americans Have No Idea
Senator Wyden warns Americans would be stunned by NSA activities under Section 702 surveillance authority. His track record of accurate warnings makes this late...
AWS Just Killed Bucketsquatting After a Decade of Warnings — Here Is What Changed and Why You Should Rename Every Bucket You Own
AWS has finally introduced account-regional namespaces for S3 buckets, killing bucketsquatting after nearly a decade. Here is what changed, why it matters, and ...
Storm-2561 Is Disguising Trojans as VPN Clients — And Your Search Engine Is Helping Them Do It
Microsoft has disclosed a credential theft campaign by Storm-2561 that uses SEO poisoning to distribute trojanized VPN clients via fake websites and GitHub-host...
I Poisoned a RAG Knowledge Base in Three Minutes — Here Is Why Every Company Using AI Should Be Terrified
A security researcher poisoned an AI knowledge base with three fake documents in under three minutes, making it report fabricated financial data with full confi...
One Billion Identity Records Just Got Exposed — Inside the Biggest ID Verification Leak in History
An ID verification company left over one billion identity records exposed online. Driver licenses, passports, and biometric data — all sitting on an unprotect...
AI Browsers Can Now Be Phished in Under Four Minutes — Here Is How Attackers Are Training Scams Against Your AI Assistant
Security researchers tricked Perplexity Comet AI browser into a phishing scam in under four minutes using a technique called Agentic Blabbering. Once trained, t...
Microsoft Just Patched 77 Vulnerabilities — The SQL Server One Should Have You Running to Your Keyboard
March 2026 Patch Tuesday brings 77 fixes including a critical SQL Server elevation of privilege bug that lets attackers go from low-level access to sysadmin ove...
Your Security Logs Are Lying to You — How Multi-Vector Attacks Exploit the Gaps Between Your Dashboards
A DDoS attack hit my client. Everyone celebrated when it was mitigated. Nobody noticed the API exploit happening simultaneously on a different subdomain. Welcom...
Zero-Day Exploits Are Getting Faster — Your Patch Window Is Now Hours, Not Days
Zero-day exploit windows have collapsed from weeks to hours. Here is what the trend means for defenders and the specific response protocol that has kept my clie...
The First 10 Things I Do on Every New Phone Before I Open a Single App
The complete 10-step security checklist I follow on every new phone before installing a single app — takes under 30 minutes and dramatically improves your dev...
Your Home Router Might Be Part of a Botnet Right Now — 14,000 Devices Just Got Caught
A new malware called KadNap has silently infected over 14,000 routers — mostly in the US. Here is how to check if your router is compromised and what to do ab...
Signal vs Telegram 2026: I Tested Both for 3 Months and One Is Secretly Sharing Your Data
Signal vs Telegram 2026: I used both for 3 months and compared encryption, metadata collection, and privacy claims. One of them is not what it pretends to be.
I Audited Every Browser Extension I Had Installed — 14 of Them Had No Business Being There
I had 23 browser extensions installed. After a full security audit, I removed 14 of them. Here is what I found, what I kept, and why your extensions are probabl...
I Analyzed 500 Data Breaches From 2025 — Here Are the 5 Patterns That Keep Repeating
After analyzing 500 publicly disclosed data breaches from 2025, five stubborn patterns emerged that organizations keep repeating — from credential stuffing to...
7 Cybersecurity Myths That Are Putting You at Risk in 2026
Most cybersecurity advice online is outdated copy-paste from 2015. Here are 7 persistent myths that are making you less safe — and what to do instead.
I Asked a Security Expert to Review My Inbox — Here Is What She Found
A senior security analyst reviewed my inbox and found three phishing emails I missed. Here is what she taught me about modern phishing and how to protect yourse...
How to Secure Your Home Wi-Fi Network in 15 Minutes
Your home Wi-Fi is probably less secure than you think. Here's a step-by-step guide to lock it down in 15 minutes — from router admin access to guest networks...
Your VPN Is Probably Leaking Data Right Now — Here's How I Found Out
I trusted my VPN for three years before discovering it was leaking DNS requests. After testing 14 VPN services over 72 hours each, here's what I found — and h...
How to Set Up Two-Factor Authentication on Everything: A Step-by-Step Guide That Takes 20 Minutes
Passwords alone are not enough anymore. Here is exactly how to enable 2FA on your email, bank, social media, and cloud storage in under 20 minutes.
Free vs Paid Password Managers — I Tested Both for 6 Months
Everyone says use a password manager, but should you pay for one? After testing Bitwarden, KeePassXC, 1Password, and Dashlane for months, here is what actually ...