Ways to stay safe from ransomware According to experts, there is no substitute for awareness to stay safe from ransomware. Those who are using Windows XP are most at risk. In addition, Windows 7 users should also update the security patch now. Here are some tips to help you protect yourself from ransomware - Updated OS is the first requirement to protect ransomware , so be sure to keep auto-update running on your computer. If there is a link or attachment file in the corner of a message or mail from a stranger, you should not click on the link or download. Keep a backup of your required data and files and update at least once a week or month. Use a good quality licensed antivirus , not a free antivirus for computer and mobile phone security . In addition, you can call anytime day or night for questions or help regarding ransomware at Bangladesh's own antivirus rev antivirus support center. This local cyber security product manufacturer provides support services to Bangladeshi users at no cost for ransomware or virus related issues.