There were about 57,000 computers in 99 countries that were infected with a ransomware worm called "WannyCry" reports Aljazeera.
What the WannyCry ransomware does to your computer once it infected is encrypt or lock up your files on your computer that you won't be able to access them anymore.
For you to recover your files, you need to pay the hackers money in terms of bitcoin for you to receive a key use to decrypt your files.
Software security companies said that when your computer system is infected, "a pop-up window will appear with instructions on how to pay a ransom amount of $300." Ransomware victim will be given a deadline to pay the ransom, if not, all data will be lost.
How to avoid ransomware attack
The Department of Information and Communication Technology (DICT) has posted on its FB page an info-graphic detailing about "WannaCry" ransomware and what can you do to prevent it.
1. Install and use an up-to-date antivirus solution (such as Microsoft Security Essentials)
2. Make sure your software is up-to-date.
3. Avoid clicking on links or opening attachments or emails from people you don't know or companies you don't do business with.
4. Ensure you have smart screen (in Internet Explorer) turned on, which helps identify reported phishing and malware websites and helps you make informed decisions about downloads.
5. Have a pop-up blocker running on your browser.
6. Regularly back-up your important files.
source: Aljazeera.com
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