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4IR SIMPLIFIED
John Tseriwa
ACCORDING to the new monthly cybersecurity report by NCC Group, a global cybersecurity business, ransomware attacks skyrocketed last month.
In fact, March 2023 saw the highest attacks recorded by cybersecurity analysts in recent years — 459 attacks, representing a 91 percent increase from the previous month, and a 62 percent jump from a year earlier.
The attacks have become increasingly common and the cost of recovery can be astronomical.
Ransomware attacks usually begin with an email containing a malicious link or attachment that, when clicked, installs the ransomware in your system and encrypts its data.
Ensuring that all software and operating systems are up-to-date with the latest security patches is essential to mitigate risk of attacks.
Malicious software, or malware, is any programme designed to damage or disrupt computer systems.
Malware comes in many forms, including viruses, worms, Trojan horses and spyware.
Your system is infected via files or downloads, phishing emails or malicious websites.
It then works silently in the background, stealing sensitive data or causing system failures.
To prevent malware infections, it is crucial to have strong antivirus and antimalware software installed. It is also vital to scan your system for potential threats regularly.
Phishing and social engineering attacks are other common types of cyber threats.
Well, phishing is a tool typically used by cybercriminals to steal personal information from you.
Phishing scams take the form of fraudulent email messages that appear to be from reputable sources such as banks or government agencies.
They often contain links that, when clicked, lead to fake login pages, where users unwittingly enter their usernames and passwords, allowing cybercriminals to steal their information.
Over the years, phishing scams have evolved into spear phishing, vhishing, smishing and whaling.
Smishing or SMS phishing is a cybersecurity attack carried out over mobile text messages.
Be careful of text messages requesting your personal information such as your ID number, bank details or password.
Social engineering attacks involve manipulating individuals into divulging confidential information or performing actions that could compromise security.
These attacks rely on human error, rather than technical vulnerabilities, making them harder to defend against.
Training employees to identify and avoid these scams is critical to prevent phishing and social engineering attacks.
Insider threats pose unique cybersecurity risks as they involve trusted individuals within an organisation with access to sensitive information.
Insider threats can be intentional or accidental, resulting in data breaches, financial losses or reputational damage.
To mitigate the risks of insider threats, companies should adopt a zero-trust policy, which assumes that no one is entirely trustworthy and that all access to sensitive information should be monitored and restricted.
All in all, cyber threats are a significant concern for businesses and individuals.
With the increasing reliance on technology in our day-to-day lives, it is essential to understand the different types of cyber threats and how to mitigate them.
Cybersecurity awareness training, strong passwords, regular system updates and antivirus software are all critical measures to help protect against cyberattacks.
As technology continues to evolve, so will the sophistication and prevalence of cyber threats, making it crucial to stay informed and vigilant.
*John Tseriwa is a tech entrepreneur and digital transformation advocate focusing on delivering business solutions powered by 4IR technologies. He can be contacted at: [email protected] or +263773289802.
Online Reporter