Assign and manage credential authorization for all enterprise assets and software, and periodically verify that each account has only the necessary access following the principle of least privilege.Introduce authentication delays or configure automatic account lockout as a defense against automated attempts to guess passwords.Use standard user accounts with multi-factor authentication versus accounts with administrative privileges whenever possible.This includes using products and services that provide integrity protection for the domain component of addresses (e.g., Make it harder for ransomware to spread Use products or services that block access to server names, IP addresses, or ports and protocols that are known to be malicious or suspected to be indicators of malicious system activity. Block access to untrusted web resources.Continuously monitor directory services (and other primary user stores) for indicators of compromise or active attack.Set it to automatically scan emails and flash drives. Use malware detection software such as antivirus software at all times.Quickly detect and stop ransomware attacks and infections.Inform your technology vendors of your expectations (e.g., in contract language) that they will apply measures that discourage ransomware attacks.This can also be supported by adopting a policy for reviewing, then adding or removing authorized applications on an allow list. Configure operating systems and/or third-party software to run only authorized applications. Allow installation and execution of authorized apps only.Manage access to all network functions and segment internal networks where practical to prevent malware from proliferating among potential target systems. Employ zero trust principles in all networked systems.Run scheduled checks to identify available patches and install these as soon as feasible. Avoid having vulnerabilities in systems that ransomware could exploit.Don’t connect personally owned devices to work networks without prior authorization.Avoid using personal websites and personal apps like email, chat, and social media from work computers.Don’t open files or click on links from unknown sources unless you first run an antivirus scan or look at links carefully.Educate employees on avoiding ransomware infections.That includes educating users, response teams, and business decision makers about the importance of processes and procedures for preventing and handling potential compromises before they occur. It is critical that organizations be prepared. Ransomware can also be used to steal an organization’s information and demand additional payment in return for not disclosing the information to authorities, competitors, or the public. Ransomware is a type of malware that encrypts an organization’s data and demands payment as a condition of restoring access to that data.
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