
Encryption technologies: Basics of Cryptography
Cryptography, a Greek word meaning “secret writing,” is a technique used to securely store and transmit data. It has been used since antiquity in military and diplomatic communication. The message to be encrypted is called plaintext, which can be converted into...

Black Cell achieved Sophos Synchronized Security Partnership
Black Cell, a Sophos Platinum Partner, has been recognized for achieving the Sophos Synchronized Security Partneraccreditation. This recognition is a testament to the expertise and commitment of Black Cell’s securityprofessionals who have completed a specialized...

Comparing vulnerability assessment with MITRE ATT&CK based gap analysis
The title of this blog post may not be entirely correct, as it is difficult to compare vulnerability assessment with MITRE ATT&CK based gap assessment in objective measures. However, this post aims to evangelize the joint raison d'être of vulnerability assessment...

Security alerts | February 2023
Below you will find information about the current security alerts of February 2023. VMware ESXi – CVE-2021-21974 A new vulnerability was reported by security researchers. This article describes an explosion in the compromises of VMware ESXi hypervisors with...

OSI model from a different angle | Infographic
The Open Systems Interconnection model (OSI model) is a conceptual model that 'provides a common basis for the coordination of [ISO] standards development for the purpose of systems interconnection'. In the OSI reference model, the communications between a...

Google Translate Helps BEC Groups Scam Companies in Any Language
BEC gangs Midnight Hedgehog and Mandarin Capybara show how online marketing and translation tools are making it easy for these threat groups to scale internationally. Business email compromise (BEC) attacks involve impersonating...

How to launch command prompt & powershell from MS Paint
This guide will show you how you can launch cmd and Powershell with help from Microsoft Paint. Sometimes organisations environments are being locked down and are preventing users from right clicking and opening tools such as cmd.exe or powershell.exe. When I face that...

A glimpse into Black Cell’s 2022 annual report
We are thrilled to offer a sneak peek into our 2022 annual report, showcasing our remarkable growth and achievements over the past year. The report highlights a few impressive figures, including a 20% increase in the number of employees (from 25 in 2021 to 30 in 2022)...

Black Cell enrolled in the Threat Protection Specialization by Microsoft
Black Cell has always been committed to providing cybersecurity solutions at the bleeding edge to our clients. Last week we attained a Solutions Partner designation by Microsoft in the Security solution area, as set forth in our blog post. Today, we are proud to...