IT and security teams are there to support users, and prevention tools can get in the way. Accounting and HR departments open spreadsheets and documents that require macros. Development teams require specialized applications and services that, if interrupted, can prevent a product from completion. Every associate or department has different needs. No single preventative product will stop all the different variations of ransomware or specific types of threats.
This is based on a few factors and should be considered before attempting to implement certain preventative controls. First, gauge your organization’s prevention appetite.Įvery organization has a limit to the amount of prevention they are willing to accept. Whether you have dealt with ransomware or are preparing for it, I will guide you through practical techniques and technical controls that can help you to detect and prevent ransomware. Having multiple layers in place with appropriate monitoring and alerting at each stage of the kill chain is critical to detection and prevention. This is by no means the only threat to your organization, therefore your focus should be on reducing your attack surface to prevent or detect threats in general. A defense-in-depth, holistic security program is required to prevent ransomware, and more importantly to detect it. Your strategy to defend against ransomware needs to go beyond the standard backups and “up-to-date” anti-virus definitions.
Generally when I am asked how to prevent ransomware, my response is exploratory and factual, providing some of the best defense-in-depth methods that may be implemented today with ease and near zero business impact. Additionally, in my conversations with the security community, people always ask me: “What is the best product to prevent ransomware?” If you have read my Security Architect Lessons post, you know by now that I am not a fan of a single product to solve all the problems. Just about every security vendor has researched, blogged, and webcasted about how their product can and will prevent ransomware.
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