libpng: Integer overflow and resultant divide-by-zero in pngrutil.c:png_check_chunk_length() allows for denial of service

In libpng 1.6.34, a wrong calculation of rowfactor in the pngcheckchunklength function pngrutil.c may trigger an integer overflow and resultant divide-by-zero while processing a crafted PNG file, leading to a denial of service...

Phishing for knowledge

When we talk about phishing, top of mind are fake banking sites, payment systems, as well as mail and other globally popular services. However, cybercriminals have their fingers in far more pies than that. Unobviously, perhaps, students and university faculties are also in the line of fire. The...

Take steps to secure your business and users with our security business assessment

Businesses can no longer afford to take cybersecurity for granted. You cant read the news without seeing a splashy headline about a successful hack or data breach at a well-known company. However, this isnt just a problem for large enterprisesincreasingly small and medium-sized businesses are...

Is FIDO the future instrument to prove our identity?

FIDO, short for Fast IDentity Online, is an industry consortium started in 2013 to address the lack of interoperability among strong authentication devices and the problems users face creating and remembering multiple usernames and passwords. Among the founders were those who work in the financia...

Zero Trust Security Architectures - Akamai's Approach

This is Part 5 of a 5 part blog series. Jump to Part 1: Introduction Jump to Part 2: Network Micro-Segmentation Jump to Part 3: Software Defined Perimeter Jump to Part 4: Identity Aware Proxy Introduction In the first part of this blog series, we covered an overview of zero trust architecture...

Keyloggers Turn to Zoho Office Suite in Droves for Data Exfiltration

UPDATE An extremely high number of keylogger phishing campaigns have been seen tied to the Zoho online office suite software; in an analysis, a full 40 percent spotted in the last month used a zoho.com or zoho.eu email address to exfiltrate data from victim machines. A Cofense analysis, published...

Facebook Is Using Your Two-Factor Authentication Phone Number to Target Advertising

From Kashmir Hill: Facebook is not content to use the contact information you willingly put into your Facebook profile for advertising. It is also using contact information you handed over for security purposes and contact information you didn't hand over at all, but that was collected from other...

Delivering security innovation that puts Microsoft’s experience to work for you

Cybersecurity is the central challenge of our digital age. Without it, everything from our personal email accounts and privacy to the way we do business, and all types of critical infrastructure, are under threat. As attackers evolve, staying ahead of these threats is getting harder. Microsoft ca...

Zero Trust Security Architectures

This introduction is Part 1 of a 5 part blog series. Jump to Part 2: Network Micro-Segmentation Jump to Part 3: Software Defined Perimeter Jump to Part 4: Identity Aware Proxy Jump to Part 5: Akamai's Approach to Zero Trust Introduction Most enterprises today operate hundreds of applications that...

Is two-factor authentication (2FA) as secure as it seems?

Two-factor authentication 2FA was invented to add an extra layer of security to the—now considered old-fashioned and insecure—simple login procedure of entering a username and password. One of the most well-known examples of 2FA is when you try to log into a familiar website from a different...

U.S. Mobile Giants Want to be Your Online Identity

The four major U.S. wireless carriers today detailed a new initiative that may soon let Web sites eschew passwords and instead authenticate visitors by leveraging data elements unique to each customer's phone and mobile subscriber account, such as location, customer reputation, and physical...

How to Secure SSH Access to the NetScaler Appliance with Public Key Authentication

This article contains information about securing administrative access to the NetScaler appliance by using the public key authentication mechanism of Secure Shell SSH. Requirements To complete the procedure in this document, the NetScaler appliance must have the following tools: An SSH client...

Google 'Titan Security Key' Is Now On Sale For $50

Google just made its Titan Security Key available on its store for $50. First announced last month at Google Cloud Next '18 convention, Titan Security Key is a tiny USB device—similar to Yubico's YubiKey—that offers hardware-based two-factor authentication 2FA for online accounts with the highest...

Instagram Adds 3 New Security Tools to Make its Platform More Secure

Instagram is growing quickly—and with the second most popular social media network in the world behind just Facebook, the photo-sharing network absolutely dominates when it comes to user interactions. And with great success comes great responsibility—responsibility to keep users' accounts safe,...

Instagram Adds 3 New Security Tools to Make its Platform More Secure

Instagram is growing quickly—and with the second most popular social media network in the world behind just Facebook, the photo-sharing network absolutely dominates when it comes to user interactions. And with great success comes great responsibility—responsibility to keep users' accounts safe,...

Active Directory Federation Services Authentication Bypass

The vulnerability of the Active Directory Federation Services ADFS service on Windows operating systems is related to improper handling of multi-factor authentication requests. Exploiting this vulnerability allows a malicious actor to bypass authentication procedures by sending specially crafted...

Tinfoil Devise-two-factor does not "burn" a successfully validated one-time password (OTP)

Tinfoil Devise-two-factor before 2.0.0 does not strictly follow RFC 6238 § 5.2 and does not "burn" a successfully validated one-time password aka OTP, which allows physically proximate attackers with a target user's login credentials to log in as said user by obtaining the OTP through performing ...

GHSA-X489-JJWM-52G7 Tinfoil Devise-two-factor does not "burn" a successfully validated one-time password (OTP)

Tinfoil Devise-two-factor before 2.0.0 does not strictly follow RFC 6238 § 5.2 and does not "burn" a successfully validated one-time password aka OTP, which allows physically proximate attackers with a target user's login credentials to log in as said user by obtaining the OTP through performing ...

Good Primer on Two-Factor Authentication Security

Stuart Schechter published a good primer on the security issues surrounding two-factor authentication. While it's often an important security measure, it's not a panacea. Stuart discusses the usability and security issues that you have to think about before deploying the system...

Nextcloud Server Security Bypass Vulnerability (Aug 2018)

Nextcloud Server is prone to a security bypass vulnerability. SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...