Published 19 March 2021

Explaining Cyber Security

Getting to grips with cyber security threats is the first step in defending against them. These videos explaining cyber security will help build your knowledge of the threats, the risks and how to build robust cyber security.

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The first ransomware attack was spread by 20,000 floppy disks mailed to victims in the post. Now, ransomware has become a multi-million dollar extortion enterprise.

The evolution of ransomware is important for a number of reasons. Cybercriminals have changed their methods of attack to adapt to the technology of the times. Ransom demand payments have increased, as have the instances of ransomware. Ransom cyberattacks also use blackmail to extort victims with low cyber security.

These developments have made ransomware a potent threat for the foreseeable future.

Cyber Citadel knows that companies who ignore ransomware gamble with the probability of being repeatedly held hostage.

— MORE AT: “Learning from the Devastating 2017 Ransomware Attacks” Article


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Business Email Compromise, or BEC, accounts for a small but potent part of phishing attacks.

However, it comes with a dangerous caveat. These highly targeted, low-volume attacks are using developed AI technologies to raise the bar of deepfake crime. Let us explain.


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As the Distributed-Denial-of-Service attack against the New Zealand Exchange has shown, DDoS is a cyberattack method not to be trifled with.

This video explains the types and processes of DDoS attacks, while also sharing basic technical security strategies to mitigate the effects of an attack.

— MORE AT: “Cyber Siege on the NZX” Article


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The risk of being hit by a cyber attack is real.

Attacks are becoming more varied, more intelligent and more probable.

Defend with Cyber Citadel.