The Guyana National Computer Incident Response Team (GNCIRT) seeks to provide technical assistance to public agencies to prevent and respond effectively to information security incidents of national importance.

...

Cybersecurity Awareness

Information, details and cybersecurity knowledge that everyone should be aware of

CA082022_165 Browser Updates: Featured Image

Get Safe Online recommends that for optimum protection against fraud when using the internet, you always run the latest version of your chosen browser that…

Ref# CA082022_165
CA082022_166 Software Decommissioning: Featured Image

It is important that you carry out regular reviews or audits of application software on all computers and information systems, and ensure that redundant software…

Ref# CA082022_166
CA082022_167 Safe Disposal: Featured Image

Smartphones and tablets that you no longer need should be disposed of with great care. The data on your device can easily be accessed whether…

Ref# CA082022_167

Recent Avisories

Official media releases in regards to matter relation to cybersecurity and works of the Guyana CIRT Team.

default place holder featured graphics

Apple published security updates to address a vulnerability in the following products on September 29th, 2025. It is recommended that you take these necessary precautions…

Ref# ADV2025_346
default place holder featured graphics

VMware published security advisories to address vulnerabilities in the following products on September 29th, 2025. It is recommended that you take these necessary precautions by…

Ref# ADV2025_345
default place holder featured graphics

Red Hat published a security advisory highlighting vulnerabilities in the following products between September 22nd and 28th, 2025. It is recommended that you take these necessary…

Ref# ADV2025_344

Recent Alerts

Publication by the Guyana CIRT Team regarding possible cybersecurity risk and vulnerabilities.

default place holder featured graphics

Description  A new phishing and malware distribution toolkit called MatrixPDF has been discovered on cybercrime forums, enabling threat actors to transform ordinary PDF files into…

Ref# AL2025_47
default place holder featured graphics

Description  Cisco has released emergency security patches for three critical zero-day vulnerabilities in Cisco Adaptive Security Appliance (ASA) and Firewall Threat Defense (FTD) software, two…

Ref# AL2025_46
default place holder featured graphics

Description A new iteration of the LockBit ransomware marketed as LockBit 5.0 has been observed in the wild. This variant includes cross-platform binaries (Windows, Linux,…

Ref# AL2025_45

Recent Tips

Expert Informtion provided by the Guyana Cirt Team in matters relating to cybersecurity.

default place holder featured graphics

Cybercriminals often register domains that mimic legitimate websites using typosquatting (e.g., “amaz0n.com” instead of “amazon.com”) or homograph attacks with look-alike characters from different alphabets, making…

Ref# T2025_24
default place holder featured graphics

Only download software from official vendor sites and check the installer’s digital signature or publisher before running it. Right-click the downloaded file → Properties →…

Ref# T2025_23
default place holder featured graphics

Cybercriminals often manipulate search engine ads and results to make malicious download pages appear above legitimate ones. These sites may look identical to official vendor…

Ref# T2025_22