Cybersafetyconnections March 4,2024 Vol#158
This month we are going on a journey to South America.
- From Konbriefing Claro – San José, Costa Rica a telecommunication company confirms ransomware attack.
- Customers in the country complained about having difficulties with services.
- Not much is known about the cause of the ransomware attack or the cybercriminal group that could be responsible for the attack.
- Claro took some steps to mitigate the loss from the ransomware attack.
What happened?

Cyberatague Ransomware Mundial
According to CRhoy.com Claro confirmed it was a victim of cyberattack in January 2024. Claro discovered irregular activities in some of its systems and went ahead to investigate the matter. It was then discovered that there had been a ransomware attack on some of its computers, Claro set aside those computers, then shut down other systems to prevent further damage from the ransomware attack.
Who was impacted?

Obviously, Claro the company would be impacted. Customers in the country had reported having difficulties with the services. And the story has it that many customers had spoken out in frustration and made their complaints on social media, most especially as it relates to internet connectivity and cable TV signal issues.
Why did it happen?
There is not much information as to why this ransomware attack may have happened.
Which cybercriminal group is responsible for the ransomware attack?

No cybercriminal group has claimed responsibility for the ransomware attack.
How has Claro mitigated loss from the ransomware attack?

OWASP Threat and Safeguard Matrix
From the information we have so far, Claro had taken some initial steps to mitigate the loss from the ransomware attack.
- When it was discovered that the cyberattack was because of ransomware on some computers, those computers were set aside, and other systems were shut down to prevent further damage and reduce the impact of the loss from the cyberattack.
- Claro was able to continue operations using alternative mechanisms and has been working to restore the affected equipment to normal operation.
- The company expects all systems will operate normally eventually.
Grammarly contributed to this text by responding to these AI prompts: Prompts created by Grammarly –“ Prompts I wrote – “How do you prevent ransomware attack?”
When asked about preventive measures, here is what Grammarly Go had to say;
Preventing a ransomware attack requires a combination of proactive measures and reactive responses. Here are some steps that individuals and businesses can take to prevent ransomware attacks:
1. Keep your software up to date:
Ensure that all software, including operating systems and applications, are updated regularly with the latest security patches.
2. Use strong passwords:
Use complex and unique passwords for all accounts and avoid reusing passwords across different accounts.
3. Be cautious of email attachments and links:
Be wary of opening email attachments and clicking on links from unknown senders, as this may be a phishing attempt.
4. Backup your data:
Regularly backup your data to an external hard drive or cloud-based storage service.
5. Use anti-virus software:
Install and regularly update anti-virus software to detect and remove any potential malware.
6. Train employees:
Educate employees on how to identify and avoid potential ransomware threats, such as phishing emails and suspicious links.
7. Establish a response plan:
Develop a response plan in the event of a ransomware attack, including steps to isolate and remove infected systems and data, and establish communication channels to relevant stakeholders.
Conclusion
By taking these steps, individuals and businesses can significantly reduce the risk of falling victim to a ransomware attack.
We are all encouraged to stay vigilant and take actions to fight against cyberattacks.
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