Guardian Security - Critical Infrastructure Cybersecurity Specialists

Case Studies & Sample Auditing Checklist

Below you can find some case studies and read directly how our support could have prevented or stopped attackers in the the situations listed. Along with this is a sample Auditing checklist for ensuring high standards are maintained.

Red Teaming Service
Compliance Audit
Security Audit
Newsletter
Threat Detection

Red Teaming Service

Our Red Teaming Service is an extremely beneficial service that provides our customers with great detail on how attackers will look at and explore their options when attempting or planning an attack. Giving us the chance to reinforce and protect our clients before an attack has even been attempted.

Our rules of engagement for this service are decided before hand when working with interior IT Departments and management to ensure that no services or downtime is caused to our clients and their clientele. This allows us to provide the best service possible without interference to everyday life at your business.

Compliance Audit

Our Compliance Audit service allows to ensure that our customers are in line and compliant with NIS2 Directive set out by the Government of Ireland and in large the European Union. Safeguarding our customers and honouring our commitment to GDPR Regulations is of upmost importance to us and our customers.

Security Audit

Our Security Audit Service offers our customers another level of security a tier above that of our Compliance Audit Service.

The idea is that regardless of how compliant you are risks are still present and just because you are compliant and in-line with GDPR does not mean you are impervious to attack with our Security Audit we raise the bar for security standards to higher level than is expected. Protecting all your information and customer information.

Our Newsletter is a great service you can take advantage, we post regular updates of the ongoing threats and attack types in use today to ensure our customers are more up to date with the current climate of the cybersecurity industry. Also including postings of know Data Breaches and Vulnerabilities our customers may have in their own systems.

MDR Threat Detection Service

Our Threat Detection Service is a great bonus to any customer allowing us to monitor changes or unusual behaviour on your companys systems. We can then Isolate infected or affected machines and contact you at a designated team member to inform you of the security breach.

This allows your IT Department to always have someone looking over their shoulder to ensure there are no mistakes or erros made that could jepordize your companies security.

Security Blog and Notices

Here you can find information on the latest threats, breachs and important information.

5 Reasons Why Attackers Are Phishing Over LinkedIn
- The Hacker News
- 17 November 2025
- 2 Comments
Five Plead Guilty in U.S. for Helping North Korean IT Workers Infiltrate 136 Companies
- The Hacker News
- 17 November 2025
- 16 Comments
Iranian Hackers Launch 'SpearSpecter' Spy Operation on Defense & Government Targets
- The Hacker News
- 17 November 2025
- 9 Comments
Chinese Hackers Use Anthropic's AI to Launch Automated Cyber Espionage Campaign
- The Hacker News
- 17 November 2025
- 11 Comments
Russian Hackers Create 4,300 Fake Travel Sites to Steal Hotel Guests' Payment Data
- The Hacker News
- 17 November 2025
- 24 Comments

5 Reasons Why Attackers Are Phishing Over LinkedIn

The Hacker News
17 November 2025
2 Comments

Phishing attacks are no longer confined to the email inbox, with 1 in 3 phishing attacks now taking place over non-email channels like social media, search engines, and messaging apps. LinkedIn in particular has become a hotbed for phishing attacks, and for good reason. Attackers are running sophisticated spear-phishing attacks against company executives, with recent campaigns seen targeting enterprises in financial services and technology verticals.

Five Plead Guilty in U.S. for Helping North Korean IT Workers Infiltrate 136 Companies

The Hacker News
17 November 2025
16 Comments

The U.S. Department of Justice (DoJ) on Friday announced that five individuals have pleaded guilty to assisting North Korea's illicit revenue generation schemes by enabling information technology (IT) worker fraud in violation of international sanctions. The five individuals are listed below -

Iranian Hackers Launch 'SpearSpecter' Spy Operation on Defense & Government Targets

The Hacker News
17 November 2025
9 Comments

The Iranian state-sponsored threat actor known as APT42 has been observed targeting individuals and organizations that are of interest to the Islamic Revolutionary Guard Corps (IRGC) as part of a new espionage-focused campaign. The activity, detected in early September 2025 and assessed to be ongoing, has been codenamed SpearSpecter by the Israel National Digital Agency (INDA).

Chinese Hackers Use Anthropic's AI to Launch Automated Cyber Espionage Campaign

The Hacker News
17 November 2025
11 Comments

State-sponsored threat actors from China used artificial intelligence (AI) technology developed by Anthropic to orchestrate automated cyber attacks as part of a "highly sophisticated espionage campaign" in mid-September 2025. "The attackers used AI's 'agentic' capabilities to an unprecedented degree – using AI not just as an advisor, but to execute the cyber attacks themselves," the AI upstart said.

Russian Hackers Create 4,300 Fake Travel Sites to Steal Hotel Guests' Payment Data

The Hacker News
17 November 2025
24 Comments

A Russian-speaking threat behind an ongoing, mass phishing campaign has registered more than 4,300 domain names since the start of the year. The activity, per Netcraft security researcher Andrew Brandt, is designed to target customers of the hospitality industry, specifically hotel guests who may have travel reservations with spam emails. The campaign is said to have begun in earnest around February 2025.

Your trusted cyber specialists,