Security Blog

Breach analysis, security insights, and practical tips to keep your data safe.

Mar 30, 2026 Breach Analysis

Collection #1: The 773 Million Email Mega-Dump That Fueled Credential Stuffing

In January 2019, a massive credential dump called \"Collection #1\" surfaced with 773 million unique email addresses and 21 million unique passwords, compiled from years of smaller breaches.

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Mar 26, 2026 Industry News

Inside the Cyber Black Market: How Your Stolen Data Gets Packaged and Sold

Nearly 19 billion stolen records now circulate in underground markets, where cybercriminals trade your credentials like commodities. Understanding how breach data gets monetized reveals why a single password compromise can haunt you for years.

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Mar 23, 2026 Breach Analysis

Adobe's 2013 Breach: 153 Million Passwords Encrypted the Wrong Way

Adobe encrypted 153 million passwords using 3DES-ECB instead of hashing them. The result was a breach so badly handled it became a crossword puzzle — literally. Here's why encryption mode matters.

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Mar 19, 2026 Security Tips

Your Password Is Already Stolen: Here's How to Actually Protect Yourself

Over 18.9 billion credentials sit in breach databases right now, with 9,267 datasets exposing plaintext passwords. If you're reusing passwords across accounts, attackers already have the keys to your digital life — and they're selling them for pennies.

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Mar 16, 2026 Breach Analysis

T-Mobile's Repeated Breaches: A Pattern of Security Failures

T-Mobile has suffered major breaches in 2018, 2019, 2020, 2021, 2022, and 2023. With hundreds of millions of records exposed, the pattern reveals systemic security challenges at one of America's largest carriers.

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Mar 12, 2026 Industry News

Nearly 19 Billion Records Exposed: Inside the Stealer Log Epidemic of 2025

While massive database breaches dominated headlines a decade ago, today's threat landscape has fundamentally shifted. Stealer logs now account for 56% of all tracked breaches, creating a relentless stream of compromised credentials that threatens every online account you own.

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Mar 9, 2026 Breach Analysis

Capital One: How a Cloud Misconfiguration Exposed 106 Million Records

A former AWS employee exploited a misconfigured web application firewall to steal the personal data of 106 million Capital One applicants and customers, including Social Security numbers and bank account numbers.

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Mar 5, 2026 Industry News

Over 8,700 Breaches Exposed Plaintext Passwords: Here's Why It Keeps Happening

Despite decades of security warnings, 8,733 data breaches in our database still exposed passwords in plaintext—readable text that anyone can use immediately. This preventable vulnerability affects billions of accounts and reveals a shocking pattern of negligence.

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Mar 2, 2026 Breach Analysis

Marriott-Starwood: 500 Million Hotel Guests Had Their Data Stolen

Attackers spent four years inside the Starwood reservation system before Marriott discovered the breach. Passport numbers, credit cards, and travel histories of half a billion guests were exposed.

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Feb 26, 2026 Breach Analysis

When Breaches Hit Billions: What XSS.IS and Collection #1 Teach Us

Nearly 19 billion records sit in breach databases worldwide. The largest single incident—XSS.IS Combolist with 2.47 billion credentials—reveals how password reuse transforms individual hacks into catastrophic exposure chains that threaten everyone.

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Feb 23, 2026 Breach Analysis

Equifax: When a Credit Bureau Loses 147 Million Social Security Numbers

The 2017 Equifax breach exposed Social Security numbers, birth dates, and addresses for nearly half the U.S. population. This breach changed the conversation about corporate responsibility for personal data.

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Feb 18, 2026 Breach Analysis

XSS.IS Combolist: Inside the 2.4 Billion Record Breach That Exposed Everything

With 2.47 billion records, the XSS.IS Combolist remains the largest credential exposure in history. Leaked in February 2019, it contained usernames, email addresses, and plaintext passwords—a master key to digital identities worldwide.

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