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    Microsoft 365 Security: Ultimate Checklist for Administrators

    Spin Technology / Blog  / Microsoft 365 Security: Ultimate Checklist for Administrators
    Microsoft 365 Security Ultimate Checklist for Administrators

    Microsoft 365 Security: Ultimate Checklist for Administrators

    Over six million data records get lost or stolen every single day. The Cost of a Data Breach Study concluded that businesses pay $148 per one lost or stolen data record. Usually, the cost of lost or stolen data items reaches hundreds or even thousands of dollars per company. You can do the math. How secure is Microsoft 365 in terms of data breaches and data losses? Not as secure as you think it is. Its security depends on whether a business owner can foresee the potential risks and knows how to prevent them.

    1. Set Up a Reliable Password Policy

    One of the main O365 security concerns is password carelessness. According to the Verizon Data Breach Investigations Report, more than 70% of workers reuse passwords. And most of them have passwords a hacker with a mediocre password cracking machine would crack in a few minutes. It’s widespread for people to use the same password for multiple websites. They may also make them too simple so they could remember them easily.

    This approach puts your data at huge risk. Imagine for a moment that your employee uses one password to access their profile on Instagram and to sign in to their Microsoft 365 corporate account. What will happen, if someone cracks their password from Instagram? This someone will try this password to enter other systems as well, including your Microsoft 365. At this very moment, your company data gets endangered.

    How to secure passwords

    1. The password uniqueness. Your employees’ passwords to your company’s Microsoft 365 must be unique.
    2. The password length. It should include eight characters at least.
    3. The variety of characters. The password should consist of uppercase and lowercase letters plus digits.
    4. The semantic complexity. You should never use widespread passwords like “asdqwe123”, “abcdefg,” “123456”, “password,” “1111111”.
    5. Even with adding some digits or letters, these passwords are still as easy as pie for cracking mechanisms.
    6. The expiration date. The passwords should be changed at least once a year.
    7. Data backup. Your employee’s password to Microsoft 365 might get cracked, but all your data will still be safe, sound, and easily
      recoverable.

    2. Use Up-to-Date Software

    By “software” we mean using old versions of Office like Office 2007 / 2010 / 2013 and not checking for the system updates and patches in Microsoft 365. If you are guilty of it too, be ready for some security repercussions. All software has its “expiry date.” At some point, Microsoft stops releasing updates for a given product version, and it gets abandoned. Without regular security updates, the software is unable to resist malicious programs that become more and more sophisticated. Some types of ransomware can even spread across computer networks. In the cloud, you can get the whole system infected with ransomware or a virus. So make sure you don’t leave room for security loopholes

    How to secure your data from malware

    1. One of the best practices for Microsoft 365 security monitoring is to get the latest security updates.
    2. Back up your data with professional backup services. Only those can guarantee you can recover your information quickly and easily.

    3. Secure Information Privacy

    Employees share links to documents all the time. Sometimes (intentionally or not) these links could be shared with outsiders who will gladly use the information in it for their benefit. If people outside your organization gain access to the links, they can watch, save, and edit internal company documents. Your internal company information is the most valuable asset, and there are many ways outsiders can benefit from it:

    1. Infect the document with ransomware or malware to ask for a ransom or just do harm;
    2. Profit from the data itself: sell the list of customers and suppliers, use sensitive information to steal money, exploit the ideas, and so on.

    How to secure your data from malware

    To avoid data breaches, you can limit or forbid external linking to some or all documents. To do so, go to Admin > Service Settings > sites and document sharing. Choose to Turn off external sharing.

    4. Enabled MultiFactor Authentication

    Until recently, multi-factor authentication (MFA) was considered as an additional layer of security. Now, it is basic for most companies. With MFA enabled, when a user signs in, they have to enter their login and password and type a code that has been sent on their phone number, or answer a phone call. This way, a system ensures only veritable users can get access to the account. By using only username/password credential authentication, you put your data in danger.

    How to enable Multi-Factor Authentication

    MFA function is available in Microsoft 365. Just go to the Admin Center, select users and groups, and press Set Up near the Multi-factor Authentication. You can choose particular users or include everyone.

    5. Block Sensitive Information from Being Shared

    Some information should not be shared under any circumstances. It is sensitive information like credit card numbers and personally identifiable information. If this information is leaked, you can face huge legal implications and fees.

    How to block sensitive information from being shared

    Define the parameters by which the system can recognize sensitive information. This way the system won’t let this data out or save it to SharePoint/ One Drive. Using Microsoft Microsoft 365 security settings, you can trace and block this type of information from being shared.

    6. Provide Security Training for Employees

    One of the leading Microsoft Microsoft 365 security issues is not cyberattacks – it’s human error. Human mistakes let cybercriminals into the system, and this is what makes these mistakes so dangerous. Security education for employees is like preventive medicine: it works but is often delayed as a secondary concern. Businesses don’t care about potential risks until they become urgent problems with tremendous potential losses. At the same time, human error is on top of cybersecurity concerns. People’s carelessness and ignorance in security matters cause notorious losses for businesses. People are usually the ones who let the cybercriminals and hackers in the system in the first place. Here are just a few human mistakes that will harm your organization:

    • Sharing sensitive and secret company information with third-parties
    • Clicking on infected links and attachments
    • How to educate your employees
    • Accidentally deleting important information
    • Being easily tricked by social engineering tactics.

    How to Educate Your Employees

    Provide your new-coming employees with security awareness training. You have two options: to instruct your security department to prepare it, or just buy one. And of course, take care of your information security with SpinOne. In most cases, having a backup is what makes all the difference!

    7. Why Microsoft Native Cloud Security Capabilities Aren’t Enough

    Many businesses migrate to cloud environments with misconceived ideas regarding the cloud provider’s responsibility. While cloud service providers are responsible to a certain point, ultimately, you as the customer are responsible for your data and the security of that data. This dual responsibility is known as the shared responsibility model as defined by today’s cloud providers. What is the shared responsibility model, and how does it affect the security and protection of your data?

    Shared responsibility essentially defines where the cloud service provider’s responsibility ends and the customer’s responsibility begins. For example, in Microsoft’s “7 steps to a holistic security strategy” whitepaper, note the following graphic detailing the shared responsibility of Microsoft and customers. Learn more Why Microsoft Native Cloud Security Capabilities Aren’t Enough.

    SpinSecurity – Resolving Microsoft native cloud security gaps

    When we perform an overall look at gaps in the security features provided in the Microsoft cloud, it is apparent that organizations need a third-party solution to bolster their Microsoft cloud security. SpinSecurity provides a comprehensive, next-generation solution, leveraging artificial intelligence (AI) and machine learning (ML) to both protect and secure your business-critical data.

    SpinSecurity provides key features that help organizations have automated security intelligence protecting their environment. These features include:

    • Artificial Intelligence-powered ransomware detection
    • 24x7x365 automated monitoring
    • AI-based ransomware recognition
    • Alerts and Analytics
    • Stop the ransomware attack
    • Automated ransomware restore

    The automated ransomware response provided by SpinSecurity provides world-class ransomware protection. It transcends beyond the simple “reactive” stance cloud service providers take and allows your business to go after ransomware attacking your data proactively. Note the four-step automated ransomware protection approach:

    1. Detect a ransomware attack
    2. Stop the encryption process
    3. Identify encrypted files
    4. Recover files automatically

    Overview of the SpinSecurity automated ransomware protection

    Overview of the SpinSecurity automated ransomware protection

    With SpinSecurity, your business is not simply notified of a ransomware attack. Instead, the automated processes start to work immediately – automatically stopping the ransomware and recovering any affected data. The automated recovery of business-critical data is made possible by automated backups of your SaaS data that align with your retention policies, not Microsoft’s. In addition, Spin allows unlimited data retention to provide the restore points needed for your business.

    Learn more about how Spin can bolster your Microsoft 365 security here.

    Try SpinOne for Free

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