Guide For Office 365 Ransomware Protection

Office 365 ransomware protection is becoming the main concern for organizations worldwide. The rapid shift toward remote work and the growing use of cloud services have given cybercriminals greater opportunities to expand their activities across cloud-based platforms, including Microsoft Office 365, one of the leading office suites in the world.

How Ransomware Infects Office 365 Environments

Ransomware is a type of malware that encrypts your computer or IT environment until you pay a ransom. In 2020, 84% of organizations surveyed worldwide were either ransomware victims or believed that their business would suffer from an attack soon. • Phishing: In 2020, 54% of ransomware attacks were caused by phishing emails with malicious documents attached or links to malicious websites.

• Infected Applications: Through Microsoft constantly scans AppSource for malware, there’s still a risk of installing an application that will infect your environment. Criminals can either use the vulnerabilities of the existing applications or create new applications that look and function like normal ones.

• Insider threats: Your employees can work together with criminals from outside the company and grant them the necessary access permissions or even install malware. Alternatively, your employee can decide to become rich overnight and purchase a ransomware kit on the dark web.

Ransomware Awareness

Since phishing emails are still the most common source of the ransomware, the vulnerability of your organization depends first and foremost on the ransomware awareness of employees.

• Employees need to know how to set secure passwords and regularly update them. • Employees need to be able to recognize suspicious emails and be careful with attachments and links. • When surfing the web, employees need to pay attention to the page URL and the padlock symbol.

Native Microsoft Ransomware Protection

Microsoft provides a variety of data protection tools, including Exchange Online Protection (EOP), Microsoft Defender, and OneDrive ransomware protection for Office 365. Let’s take a closer look at each of them.

OneDrive Ransomware Protection

Microsoft Monitors your OneDrive data for ransomware in real-time and notifies you of suspicious files. In case of a ransomware attempt, you have 30 days to roll back your files to a previous, uninfected version.

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