Editor's Pick

Using John The Ripper for Password Cracking

During your work in CTFs and information security, you may come across hashed passwords and encrypted zip files. Often you get people asking how to “Decrypt hashes” or “Break zip file encryption” but that’s not possible. Hashes are one way, you ...

Latest news

Who Stole 3.6M Tax Records from South Carolina?

For nearly a dozen years, residents of South Carolina have been kept in the dark by state and federal investigators over who was responsible for...

Krebs on Security | 6 days ago
Crickets from Chirp Systems in Smart Lock Key Leak

The U.S. government is warning that smart locks securing entry to an estimated 50,000 dwellings nationwide contain hard-coded credentials that can...

Krebs on Security | 6 days ago
Why CISA is Warning CISOs About a Breach at Sisense

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) said today it is investigating a breach at business intelligence company Sisense,...

Krebs on Security | a week ago
Twitter’s Clumsy Pivot to X.com Is a Gift to Phishers

On April 9, Twitter/X began automatically modifying links that mention "twitter.com" to redirect to "x.com" instead. But over the past 48 hours,...

Krebs on Security | a week ago
April’s Patch Tuesday Brings Record Number of Fixes

If only Patch Tuesdays came around infrequently -- like total solar eclipse rare -- instead of just creeping up on us each month like The Man in...

Krebs on Security | a week ago
Fake Lawsuit Threat Exposes Privnote Phishing Sites

A cybercrook who has been setting up websites that mimic the self-destructing message service Privnote.com accidentally exposed the breadth of...

Krebs on Security | 2 weeks ago
‘The Manipulaters’ Improve Phishing, Still Fail at Opsec

Roughly nine years ago, KrebsOnSecurity profiled a Pakistan-based cybercrime group called "The Manipulaters," a sprawling web hosting network of...

Krebs on Security | 2 weeks ago
Thread Hijacking: Phishes That Prey on Your Curiosity

Thread hijacking attacks. They happen when someone you know has their email account compromised, and you are suddenly dropped into an existing...

Krebs on Security | 3 weeks ago
Recent ‘MFA Bombing’ Attacks Targeting Apple Users

Several Apple customers recently reported being targeted in elaborate phishing attacks that involve what appears to be a bug in Apple's password...

Krebs on Security | 3 weeks ago
Mozilla Drops Onerep After CEO Admits to Running People-Search Networks

The nonprofit organization that supports the Firefox web browser said today it is winding down its new partnership with Onerep, an identity...

Krebs on Security | a month ago
Student Loan Breach Exposes 2.5M Records

2.5 million people were affected, in a breach that could spell more trouble down the line.

Threatpost | a year ago
Watering Hole Attacks Push ScanBox Keylogger

Researchers uncover a watering hole attack likely carried out by APT TA423, which attempts to plant the ScanBox JavaScript-based reconnaissance tool.

Threatpost | a year ago
Tentacles of ‘0ktapus’ Threat Group Victimize 130 Firms

Over 130 companies tangled in sprawling phishing campaign that spoofed a multi-factor authentication system.

Threatpost | a year ago
Ransomware Attacks are on the Rise

Lockbit is by far this summer’s most prolific ransomware group, trailed by two offshoots of the Conti group.

Threatpost | a year ago
Cybercriminals Are Selling Access to Chinese Surveillance Cameras

Tens of thousands of cameras have failed to patch a critical, 11-month-old CVE, leaving thousands of organizations exposed.

Threatpost | a year ago
Twitter Whistleblower Complaint: The TL;DR Version

Twitter is blasted for security and privacy lapses by the company’s former head of security who alleges the social media giant’s actions amount to ...

Threatpost | a year ago
Firewall Bug Under Active Attack Triggers CISA Warning

CISA is warning that Palo Alto Networks’ PAN-OS is under active attack and needs to be patched ASAP.

Threatpost | a year ago
Fake Reservation Links Prey on Weary Travelers

Fake travel reservations are exacting more pain from the travel weary, already dealing with the misery of canceled flights and overbooked hotels.

Threatpost | a year ago
iPhone Users Urged to Update to Patch 2 Zero-Days

Separate fixes to macOS and iOS patch respective flaws in the kernel and WebKit that can allow threat actors to take over devices and are under...

Threatpost | a year ago
Google Patches Chrome’s Fifth Zero-Day of the Year

An insufficient validation input flaw, one of 11 patched in an update this week, could allow for arbitrary code execution and is under active attack.

Threatpost | a year ago

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