We discovered a vulnerability in Zimbra Enterprise Email that allows an unauthenticated, remote attacker fully take over Zimbra instances via a flaw in unrar.

We compare the targeting and business models of the Conti and LockBit ransomware groups using data analysis approaches. This will be presented in full at the 34th Annual FIRST Conference on June 27, 2022.

The LockBit ransomware operation has released 'LockBit 3.0,' introducing the first ransomware bug bounty program and leaking new extortion tactics and Zcash cryptocurrency payment options.

Crippled ports. Paralyzed corporations. Frozen government agencies. How a single piece of code crashed the world.

Multiple Python packages caught by Sonatype were seen uploading secrets such as AWS keys and environment variables to a web endpoint.

We want to familiarize the reader with the different stages of ransomware deployment and provide a visual guide to defending against targeted ransomware attacks.

Learn about the unique implementations of API Hammering malware samples and how to mitigate them.

Windows RPC enumeration, discovery, and auditing via NtObjectManager. We will audit the vulnerable RPC interfaces that lead to PetitPotam, discover how they have changed over the past year, and overcome some common RPC auditing pitfalls.

The Conti ransomware operation has finally shut down its last public-facing infrastructure, consisting of two Tor servers used to leak data and negotiate with victims, closing the final chapter of the notorious cybercrime brand.

The National Security Agency (NSA) and partner cybersecurity authorities released a Cybersecurity Information Sheet today recommending that Microsoft Windows® operators and administrators properly

7-zip has finally added support for the long-requested 'Mark-of-the-Web' Windows security feature, providing better protection from malicious downloaded files.

Raspberry Robin is a worm spread by external drives that leverages Windows Installer to download a malicious DLL.

I was checking the 2017 ShadowBrokers leaks when I noticed that one of the EQUATION GROUP tools leaked back then has no public references/analysis (at least as far as I can tell). So, here is what …

Although this looks like the real My Vodafone carrier app available in the App Store, it didn't come from the App Store and is not the real application from Vodafone. TAG suspects that a target receives a link to this app in an SMS, after the attacker asks the carrier to disable the target's mobile data connection. The SMS claims that in order to restore mobile data connectivity, the target must install the carrier app and includes a link to download and install this fake app.

Authorities in the United States, Germany, the Netherlands and the U.K. last week said they dismantled the "RSOCKS" botnet, a collection of millions of hacked devices that were sold as "proxies" to cybercriminals looking for ways to route their malicious…

Today, alongside Google’s Project Zero, we are detailing capabilities provided by RCS Labs, an Italian vendor that uses a combination of tactics, including atypical drive-by downloads as initial infection vectors to target mobile users on both iOS and Android.

Unveiling an unknown APT actor attacking high-profile entities in Europe and Asia

ToddyCat is a relatively new APT actor that we have not been able to relate to other known actors, responsible for multiple sets of attacks detected since December 2020 against high-profile entities in Europe and Asia. We still have little information about this actor, but we know that its main distinctive signs are two formerly unknown tools that we call ‘Samurai backdoor’ and ‘Ninja Trojan’.

This report represents research conducted by Microsoft’s threat intelligence and data science teams with the goal of sharpening our understanding of the threat landscape in the ongoing war in Ukraine. The report also offers a series of lessons and conclusions resulting from the data gathered and analyzed. Notably, the report reveals new information about Russian efforts including an increase in network penetration and espionage activities amongst allied governments, non-profits and other organizations outside Ukraine. This report also unveils detail about sophisticated and widespread Russian foreign influence operations being used among other things, to undermine Western unity and bolster their war efforts. We are seeing these foreign influence operations enacted in force in a coordinated fashion along with the full range of cyber destructive and espionage campaigns. Finally, the report calls for a coordinated and comprehensive strategy to strengthen collective defenses – a task that will require the private sector, public sector, nonprofits and civil society to come together. The foreword of this new report, written by Microsoft President and Vice Chair Brad Smith, offers additional detail below.

For years, activists and academics have been raising concerns that facial analysis software that claims to be able to identify a person’s age, gender and emotional state can be biased, unreliable or invasive — and shouldn’t be sold.

Big Tech, Western intelligence and a homegrown army of Ukrainian hackers pull off one of the biggest surprises of the war.