CrossLock is a ransomware group that emerged in April 2023, targeting a large digital certifier company in Brazil. This ransomware was written in Go, which has also been adopted by other ransomware groups, including Hive, due to the cross-platform capabilities offered by the language. CrossLock operates in the double-extortion scheme, by threatening to leak stolen data on a website hosted on the deep web if the ransom isn’t paid by the victim.
If you have opened this blog post, you are surely seeking an answer to what is Code Signing. Code Signing Certificates are digital certificates used to authenticate the identity and company of the software publisher; to confirm the integrity of the software. Public Key Infrastructure (PKI) technology is used to secure the digital distribution of software. PKI also safeguards other executable files by signing them with a digital signature.
Think of all the different points within your organization that provide access to information. That could be your website, the mobile version of your application, your Slack instance, and so much more. It’s a list that gets very long, very quickly. All of those endpoints, both physical and digital, make up the attack surface of your organization.
The phone rings, displaying "Potential Spam," warning of the possible downfall of accepting the call. We also have the option to set specific ringtones for the special people in our lives, so we audibly know immediately who’s calling. For other callers, like the once-a-year important call from our insurance or investment rep, we'll at least add their names so we can see when they ring. And, of course, there are the numbers that we have blocked.
Kubernetes documentation clearly defines what use cases you can achieve using Kubernetes network policies and what you can’t. You are probably familiar with the scope of network policies and how to use them to secure your workload from undesirable connections. Although it is possible to cover the basics with Kubernetes native network policies, there is a list of use cases that you cannot implement by just using these policies.
In recent years, especially with hybrid work, almost everyone uses an iOS or Android device for work. In fact, in a recent survey, Lookout found that 92% of remote workers use their personal laptops or smartphones for work tasks, with 46% of them having saved files onto their devices. Now that employees expect to be productive from anywhere, organizations across all industries have become more relaxed with allowing the use of personal devices with bring-your-own-device (BYOD) programs.
Phishing is a familiar criminal tactic. It’s also used by intelligence services for cyber espionage campaigns. On Friday, April 28th, 2023, CERT-UA, Ukraine’s Computer Emergency Response Team, reported that Russian operators are sending phishing emails that misrepresent themselves as sending instructions on installing a Windows security update.
