Home / Microsoft Office365 / Office 365 Security and Compliance / Office 365 Email Security

Office 365 Email Security

Enhancing Email Security and Compliance with Office 365

In today’s digital landscape, safeguarding your business emails is vital. With ever-evolving email threats and the risk of data breaches, it’s important to have a multi-layered defence in place. Welcome to our comprehensive guide on Microsoft Office 365 Email Security, where we delve into the key features that provide real-time protection against email threats, anti-spam, and anti-malware protection, ensuring the security of sensitive information.

Discover how machine learning and threat intelligence work together to detect and block sophisticated email threats, including zero-day malware and business email compromise attempts. Our advanced email protection features, such as Data Loss Prevention (DLP) and email encryption, help prevent sensitive data leaks and ensure the confidentiality of your messages.

With Microsoft Office 365’s Advanced Threat Protection (ATP) and Exchange Online Protection (EOP), you’ll experience a secure and reliable email environment. Join us as we explore these protection features and unlock the full potential of 365 Secure Score, enabling you to strengthen your organization’s email security posture effectively. Don’t leave your sensitive data vulnerable – take proactive steps to fortify your email security today!

Discovering Microsoft 365’s Robust Email Protection Features

Microsoft 365 incorporates Exchange Online Protection (EOP), an integrated tool that fortifies your organization against spam, malware, and phishing attacks. Leveraging various filtering technologies, including Microsoft’s SmartScreen technology, EOP thoroughly analyzes email content to detect potential threats. Here are some key highlights of EOP’s capabilities:

Malware Filtering: EOP actively scans email attachments, identifying known malware signatures, and promptly blocking potentially harmful messages.

Spam Filtering: Detecting and eliminating unsolicited emails, EOP effectively reduces the risk of falling prey to phishing attacks.

Connection Filtering: By barring email messages from malicious IP addresses, EOP adds an additional layer of protection.

Transport Rules: Empowering you to create personalized rules, EOP allows custom filtering and management of emails based on specific criteria, like keywords or sender domains.

Enhancing Security with Advanced Threat Protection (ATP)

As an added layer of security, Advanced Threat Protection (ATP) goes beyond the basics to safeguard against sophisticated threats like zero-day malware and targeted phishing attacks. ATP utilizes cutting-edge technologies such as machine learning, behavioral analysis, and threat intelligence to identify and thwart advanced threats in real-time. Here are some notable features of ATP:

Safe Attachments: ATP diligently scans email attachments, identifying unknown malware, and safely containing potentially malicious files within a secure sandbox.

Safe Links: By rewriting URLs in email messages and scrutinizing them for malicious content, ATP prevents users from unknowingly clicking on harmful links.

Anti-phishing Protection: Leveraging machine learning algorithms, ATP efficiently detects and blocks phishing emails that attempt to impersonate users or domains within your organization.

Threat Investigation and Response: ATP equips you with powerful tools like the Attack Simulator and Threat Explorer, allowing you to investigate and respond effectively to security incidents.

Safeguarding Sensitive Data with Data Loss Prevention (DLP)

Data Loss Prevention (DLP) serves as a vital defense against unintentional or deliberate leakage of sensitive information, such as credit card numbers or Social Insurance Numbers, through email. DLP policies can be customized to automatically detect sensitive data in email messages and enforce appropriate actions, like message blocking, sender notifications, or content encryption. Here are key features of DLP:

Predefined Templates: DLP offers a collection of ready-to-use templates aligning with common regulatory standards like PIPEDA and HIPAA. These templates expedite the creation and implementation of DLP policies.

Custom Policies: Tailor DLP policies to suit your organization’s unique data protection requirements, ensuring comprehensive safeguarding of sensitive data.

Policy Tips: Real-time feedback to users who attempt to send emails containing sensitive information, helping educate them on data protection policies and promoting a culture of secure data handling.

Securing Your Emails with Email Encryption

Email encryption stands as a vital measure to uphold the confidentiality and integrity of your email communications. By encrypting the content during both transit and storage, this approach shields your messages from prying eyes. Microsoft 365 extends several email encryption options to suit your needs:

Office Message Encryption (OME): Automatically encrypts email messages that fulfill specific criteria, such as containing sensitive information or being destined for external recipients. This ensures that only authorized parties can access the message’s contents.

Secure/Multipurpose Internet Mail Extensions (S/MIME): Empowers users to digitally sign and encrypt email messages, guaranteeing the authenticity and confidentiality of the communication. This helps to confirm the sender’s identity and maintain data privacy.

Transport Layer Security (TLS): Utilizing TLS, the connection between email servers gets encrypted, providing an added layer of protection during the message’s journey from sender to recipient.

Strengthening Security with Multi-Factor Authentication (MFA)

Multi-Factor Authentication (MFA) enhances the security of your organization’s email accounts by adding an additional layer of protection during the login process. It requires users to provide two or more forms of identification, bolstering the defense against unauthorized access, even if a user’s password is compromised. Here are key features of MFA:

Various Authentication Methods: MFA allows users to opt for different authentication methods, such as a mobile app, phone call, or text message. This flexibility ensures convenience and accommodates diverse user preferences.

Conditional Access: With MFA, you can establish rules that mandate additional authentication only under specific conditions, like when users access email from outside the corporate network. This tailored approach optimizes security while streamlining user experience.

App Passwords: MFA facilitates the creation of distinct passwords for non-browser applications that lack MFA support, like mobile email clients. This way, security is maintained even when using such applications.

Office 365 Email Security

Elevating Security with Microsoft 365 Secure Score

Microsoft 365 Secure Score serves as an essential gauge of your organization’s security strength across various Microsoft 365 services. Upon initial login, it assigns a numeric value, reflecting your security posture. Furthermore, the tool offers actionable recommendations to address any security vulnerabilities, with each recommendation carrying its numeric value. By summing up these values, you obtain an overall maximum score for your organization’s security.

Additionally, you gain valuable insights into your organization’s performance compared to the average scores of all Microsoft 365 customers. This feature allows you to benchmark your security posture against industry standards, enabling informed decisions and proactive measures to enhance your organization’s security resilience.

Your Trusted Partner for Email Security Services

At Valto, we take email security seriously, and our team of Office 365 experts is dedicated to providing comprehensive and cutting-edge solutions to safeguard your sensitive data and communications. With a deep understanding of the evolving email threat landscape, we offer a range of email security services designed to address the unique security challenges faced by businesses today.

With Valto’s Office 365 experts as your partner, you can trust that your email security is in capable hands. We understand the criticality of maintaining a secure email environment and strive to deliver solutions that enable your business to communicate confidently and securely.

Want to fortify your email security and protect your business from evolving email threats?

Frequently Asked Questions

What is Office 365 email security, and why is it essential for my business?

Office 365 email security refers to the set of measures and features designed to protect your business email communications from cyber threats like phishing, malware, and data breaches. It is crucial because email is a common target for cybercriminals seeking to exploit vulnerabilities and gain unauthorised access to sensitive information.

What email security features does Microsoft 365 offer?

Microsoft 365 provides a robust suite of email security features, including Exchange Online Protection (EOP), Advanced Threat Protection (ATP), and Data Loss Prevention (DLP). EOP guards against spam, malware, and malicious IPs, while ATP offers defence against sophisticated threats like zero-day malware. DLP helps prevent accidental or intentional data leaks via email.

What is Advanced Threat Protection (ATP), and how does it enhance email security?

Advanced Threat Protection (ATP) is an additional layer of security that combats advanced threats like zero-day malware and targeted phishing attacks. ATP utilises machine learning, behavioural analysis, and threat intelligence to detect and block such threats in real time, ensuring enhanced email security.

How can Data Loss Prevention (DLP) prevent sensitive data leaks through email?

Data Loss Prevention (DLP) in Microsoft 365 helps prevent the accidental or intentional leakage of sensitive data, such as credit card numbers or Social Insurance Numbers, through email. It can be configured to automatically detect sensitive information in email messages and take appropriate actions, such as blocking, notifying the sender, or encrypting the content.

What are the benefits of Multi-Factor Authentication (MFA) for email accounts?

Multi-Factor Authentication (MFA) adds an extra layer of security to your email accounts by requiring users to provide two or more forms of identification during the login process. It significantly reduces the risk of unauthorized access, even if a user’s password is compromised.

How is the Microsoft 365 Secure Score useful for enhancing email security?

Microsoft 365 Secure Score measures your s security posture across Microsoft 365 services and provides actionable recommendations. It assigns a numeric value to each recommendation, which can be totaled to form an overall maximum score for your organization’s security. It allows you to benchmark your security performance against industry averages.

Can I customise email encryption options in Microsoft 365?

Yes, Microsoft 365 offers customizable email encryption options. You can use Office Message Encryption (OME) to automatically encrypt emails containing sensitive information or destined for external recipients. You can also use Secure/Multipurpose Internet Mail Extensions (S/MIME) to digitally sign and encrypt email messages, ensuring their authenticity and confidentiality.

To get started with Valto and take your business to the next level, get in touch with our team today

What Our Customers Are Saying

"Valto's sharepoint solution has transfrmed the way we store, organise, and access info. They have designed a tailored sharepoint environment that aligns perfectly with our business objectives and processes. The solution has empowered us to centralise our documents, create efficient workflows, and establish effective knowledge sharing practices."

Sam

"Thanks to Valto's Visitor Registration App, we have gretaly improved our visitor management process. This has resulted in better security, and a more welcoming experience for our visitors. We highly recommend Valto for their expertise in developing customised visitor registration solutions that meet the unique needs of organisations like ours."

Emily

"With Valto's employee onboarding system, it has transformed our onboarding experience - New hires now have a centralised place for all of their onboarding and training needs, which can be personalised to them - Great work "

Owen

Case Studies

Chester Zoo Case Study

Chester Zoo was opened in 1931 by George Mottershead and his family. They are home to more than 20,000 animals and 128 acres of gardens. Chester Zoo is a conservation and education charity that is...

Energy One Case Study

Energy One is a global supplier of software products and services to wholesale energy, environmental and carbon trading markets. Listed on the Australian Stock Exchange (ASX:EOL) since 2007, but with more than 15 years of...

Sportily Case Study

Sportily is creating a network of sport and faith groups across Gloucestershire. Sportily’s team consists of 12 paid and 50 volunteer coaches who work to deliver a wide range of sport and activity sessions in...

View All Case Studies