Category Archives: Security

“The operation failed for an undetermined reason”

“The operation failed for an undetermined reason” transferring files through vSphere Client (2147256) Initiating a file upload to datastore, and resulting in the operation failing with an error: The operation failed for an undetermined reason. Typically this problem occurs due to certificates that the browser does not trust. If you are using self-signed or custom… Read More »

Darktrace in action, does the job well!

#Darktrace in action, does the job well! A great solution to supercharge your Cyber threat Landscape in light of the SolarWinds Orion attack.  Darktrace’s Immune System, applies AI to the cyber defense challenges for the first time, and has proven itself successful in detecting cyber-threats that existing, legacy systems cannot.   However, Darktrace alone is not… Read More »

Fortinet FortiGate is the best firewall

#Fortinet FortiGate (100E) is the best firewall. The most valuable feature is the bundled subscription, which is IPS, antivirus and web filtering. It is easy to use and performs very well. This perimeter solution has powerful security features, and it’s a good product that integrates actionable threat intelligence and very well with a wide range… Read More »

How to Install Let’sEncrypt to work with Nginx HTTPS on Ubuntu Server

Let’s Encrypt is a free, automated, and open certificate authority (CA), run for the public’s benefit. Let’s Encrypt is a service provided by the Internet Security Research Group (ISRG). The key principles behind Let’s Encrypt are: ◾ Free: Anyone who owns a domain name can use Let’s Encrypt to obtain a trusted certificate at zero cost.… Read More »

How to install ClamAV on Ubuntu Server

What is ClamAV®? ClamAV® is an open source antivirus engine for detecting trojans, viruses, malware & other malicious threats. ClamAV® can be easily installed via Terminal on your ubuntu Server. root@gs2:~# apt-get install clamav Once ClamAV® is installed, the first thing you have do is to update the virus definitions with: root@gs2:~# freshclam ClamAV update… Read More »

Business Continuity Architecture

Every business is exposed to risk of various kinds. Disruptions such as hardware failure, system corruption could play havoc in your business operations. A well thought Business Continuity Architecture should offer immediate recoverability in the event of loss of critical servers and data. Get business operations back up and running within short time rather than… Read More »

Attix5 Backup Health Check

Attix5 is an online disk-to-disk backup solution. Attix5 is one of the most effective backup solution and oldest managed online backup companies, powering SMBs and enterprises. Performing a Health Check enables you to highlight possible issues. The backup Client Health Check provides information to pre-emptively highlight possible issues (e.g. free disk space or file/folder access… Read More »

Standard Bank Account Statement – Internet Banking Cyber Crime Scams

Protecting your computer against hacking and virus attacks is your responsibility. Don’t be a victim of cyber crime or less you will lose your hard earned money.  Cyber criminals are really stepping up their game and are using advanced social engineering methods. I’m talking about high-level digital strategies to siphon off your bank account.  With so many people using… Read More »

ABSA Cyber Online Scams – Unauthorized login on your account

Don’t be a victim: This is another type of Cyber Online Scams doing the rounds you should definitely watch out for. This time the Cyber Criminals are targeting innocent ABSA clients. Below is an example of an email I received: Subject line: Unauthorized login on your account. NB: If you hover your mouse cursor over… Read More »

Verification of replica failed. The forest functional level is Windows 2000.

•Symptom – The client was unable to promote the Windows 2012 server named “pta_t30” as an additional domain controller in their windows 2003 domain t6.local. •Cause – We were getting the error: Verification of replica failed. The forest functional level is Windows 2000. To install a Windows Server 2012 domain or domain controller, the forest functional level… Read More »