The installation of home edition software on computers at a local office most likely violates the EULA. EULA stands for End User License Agreement and is a legal contract that specifies the terms and conditions for using a software product or service. EULA typically covers topics such as license scope, duration and limitations, rights and obligations of the parties, warranties and disclaimers, liability and indemnity clauses, and termination procedures. EULA may also restrict the use of home edition software to personal or non-commercial purposes only, and prohibit the use of home edition software in business or professional settings. Violating EULA may result in legal actions or penalties from the software vendor or developer. PII stands for Personally Identifiable Information and is any information that can be used to identify or locate an individual, such as name, address, phone number, email address, social security number or credit card number. PII is not related to software installation or licensing but to data protection and privacy. DRM stands for Digital Rights Management and is a technology that controls or restricts the access and use of digital content, such as music, movies, books or games. DRM is not related to software installation or licensing but to content distribution and piracy prevention. Open-source agreement is a type of license that allows users to access, modify and distribute the source code of a software product or service freely and openly. Open-source agreement does not restrict the use of software to home edition only but encourages collaboration and innovation among developers and users. Reference: CompTIA A+ Core 2 (220-1002) Certification Exam Objectives Version 4.0, Domain 5.1

The differential backup method would best address these concerns. Differential backups only back up files that have changed since the last full backup, which means that only a few files would be backed up each time.
This would help to mitigate the risk of ransomware attacks, as only a few files would be affected if an attack occurred. Additionally, differential backups require less storage space than full backups.

MDM stands for Mobile Device Management, and it is a way of remotely managing and securing mobile devices that are used for work purposes1. MDM can enforce policies and restrictions on the devices, such as preventing users from installing unauthorized apps, modifying system settings, or accessing root privileges2. MDM can also monitor device status, wipe data, lock devices, or locate lost or stolen devices1.

When an organization refuses to pay the ransom for a decryption key after a ransomware attack, and all traces of the infection have been removed, the next critical step is:
* Restore critical data from backup:This is the most effective way to recover from a ransomware attack without paying the ransom. Assuming the organization has good backup practices, the backups should be free from infection and can be restored to get the systems operational again.
* Scan all of the infected files with up-to-date, anti-malware cleaning software:This step is important
* during the infection removal process but does not address restoring the encrypted files.
* Fully patch the server operating systems hosting the fileshares:While this is necessary to prevent future attacks, it does not recover the encrypted files.
* Change the files to be read-only:This will not help recover the encrypted data.
Reference:
CompTIA A+ 220-1102 Exam Objectives, Section 2.8: Given a scenario use common data destruction and disposal methods.
Best practices for ransomware recovery.

Explanation
Using disk-wiping software is the most secure method for removing information from past users' hard drives in order to reuse the hard drives. Disk-wiping software can help to ensure that all data on the hard drive is completely erased and cannot be recovered.