Protect yourself from Ransomware

Ransomware attack had affected thousand machines worldwide in year 2017. The financial and economic loss globally is estimated up to $4 billon. WannaCry is the only marked the beginning of the upcoming ransomware attack.

Here are 9 simple steps to protect yourself from Ransomware Attack

  • Keep your operating system and application up to date

Software vulnerabilities are often being exploit for malicious attack, you can close the vulnerabilities by update the latest patch for the operating system and the application.

  • Install antivirus software and keep the definition up to date

Antivirus software keep your computer safe from malicious virus only if the definition is keep up to date. However, new ransomware are still able to evade antivirus software

  • Perform regular backups

Always perform regular backup for your computer. Backup is a good way to mitigate ransomware attacks. Backup should be store in 3 different locations – 2 physical storage location and 1 cloud storage. You will need to check with your vendor if their cloud storage is protected against ransomware.

  • Unhide file extensions

Most of the time you should unhide the file extensions, by default operating system may hide file extension. Visible file extension makes it harder for purveyors to camouflage malicious file as legitimate ones

  • Be careful with email attachments

From time to time, you will receive emails with attachments from someone you may or may not know. Before opening the attachments or any link, you should check the senders email address, if you suspect the email address is not legitimate, delete the email. You should always scan the attachments through the antivirus program

  • Do not enable macros in documents attachments via email

Receiving email with words documents and excel spreadsheet via email and ask you to enable macros – DO NOT DO IT!!! Osiri Ransomware, are spread in this way and it will install the ransomware and start encrypting your files

  • Do not reveal your password to other people and make your password stronger

Many times, we write the password on book, leaving it at the desk area or drawer for easy access and we always use simple password, like my name + birthday.

A good practice is to use password manager if you have multiple password to remember, regularly change your password, password should be at least minimum 10 characters, need to contain big and small capital letter, alphanumeric, special character, is best to avoid using your or anyone name, birthday, mobile number as part of your password

  • Use the security feature in the application

Business software such as Microsoft office had included their security features to protect users from malicious macros which will affect their computers. It is always good to check with the vendor what security feature are included in the software.

  • Preform vulnerabilities assessment and penetration testing

Vulnerability assessment should perform every quarter in the year to understand which vulnerabilities are present in your network.

Penetration testing attempt should perform at least once a year determine whether unauthorized access or other malicious activity is possible and identify which flaws pose a threat.


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