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Protect your business email against phishing, malware, and digital fraud with MEO Empresas Email Security.

Email Security

Your organization's emails are always protected.


Your company's emails protected from web attacks

Email Security is an advanced protection solution that filters, blocks, and monitors email-based threats, reducing the risk of social engineering attacks, data loss, and account compromise.

Protection against threats

Protects your organization against phishing, ransomware, malware, and digital fraud.

Secure communications

It ensures secure communications, preventing unauthorized access and data loss.

Human risk reduction

It enhances employee protection by reducing the human risk and operational impact of attacks.

Email remains the primary entry point for cyberattacks

Email is the most commonly used channel for gaining initial access to systems. Human error remains the vulnerability most frequently exploited by attackers.

91% of all recorded attacks begin with an email, making email the primary vector for intrusion.(1)

91%

In 2025, 3.4 billion phishing emails were sent each day, accounting for about 1.2% of all global email traffic.(2)

3,4

A 136% increase in Business Email Compromise attacks in the fourth quarter of 2025 compared to the previous quarter.

136%

Email Security Features

Email Security includes advanced features that filter suspicious messages and enhance corporate email protection.

Advanced anti-phishing and anti-malware filters

Real-time threat detection through intelligent pattern and behavior analysis.


Protection against malicious links (URL Defense)

Checking suspicious URLs before the user opens them.


Sandbox analysis of attachments

Automatic attachment quarantine to detect hidden malware.


Protection against Business Email Compromise (BEC)

Blocking fraud attempts that impersonate executives or business partners.


Configurable security policies

Tailored to each employee’s profile, role, or department.


Reports and Continuous Real-Time Monitoring

Portal for accessing periodic reports, comprehensive visibility, and alerts regarding attempted attacks.


Key benefits for your company

Strengthen your company’s digital defenses by blocking threats before they reach inboxes, filtering out suspicious communications, and reducing exposure to risks that compromise business operations and trust.

Protection against phishing and digital fraud

Blocking fraudulent messages before they reach employees' inboxes.

Reduction of human risk

It minimizes the likelihood of human error, which accounts for more than 90% of security incidents.

Improved reliability and operational continuity

Prevent downtime caused by email attacks.

Compliance with regulations and standards

Helps ensure compliance with internal security policies and legal requirements such as NIS2 or GDPR.

Why MEO Empresas

Find out why you should choose MEO Empresas your partner to help ensure the security of your business’s information.

Safety-certified employees

115 employees certified in security skills by the following companies: CISCO, Fortinet, Check Point, paloalto, Acronis, Zscaler, avigilon and IBM.

Safety-certified employees

Extensive experience in security

Ongoing research and knowledge with the Altice Security Lab; partnership with Europol and other police agencies in the No More Ransom! initiative and presence in the National CSIRT Network, one of the largest computer security incident response networks.

Extensive experience in security

Partnerships with market leaders in security

Partnerships with leading security companies such as: CISCO, Fortinet, Check Point, paloalto, Acronis, Zscaler, Arbor, bitsight, f5 and avigilon.

Partnerships with market leaders in security

Solutions with global SLAs


Frequently Asked Questions About Email Security

Does Email Security help ensure compliance with NIS2?

Yes. The solution addresses requirements for risk mitigation, incident prevention, and protection against phishing, one of the most significant attack vectors in the standard.

Does the solution require installation?

No. The integration is performed within the existing email infrastructure (Microsoft 365, Exchange, others).

Do employees need training?

It is not mandatory, but it is recommended to integrate it with Cyber Resilience to enhance digital literacy.

Could it block legitimate emails?

The solution uses machine learning to minimize false positives, ensuring high accuracy.

How do I receive alerts?

Through dashboards, reports, and customizable notifications.

Find out what the experts have to say about security

Learn about security trends from cybersecurity experts.

Bruno Maçães

Senior Advisor, Flint Global

Watch video
Bruno Maçães

Prashanth Challa

Managing Director, Head of Cybersecurity Morgan Stanley

Watch video
Prashanth Challa

Vítor Costa

Director of IT and Communication Services, MAI

Watch video

Digital threats accelerated by AI

AI drives innovation and productivity, but it also enables faster and more sophisticated cyberattacks, requiring digital defense and resilience.

Read more

Learn more about security solutions

Email security can be supplemented with other security solutions.

Cyber Resilience

Prevention

Cyber Resilience empowers employees through training, awareness campaigns, and phishing simulations, reducing the risk of attacks and supporting compliance with NIS2.

Learn more

Cyber Protecht

Complete protection

An integrated solution that prevents, detects and responds to cyber incidents, bringing together a highly specialized team, processes and benchmark technological platforms.

Learn more

Cloud Security Pack

Backup and recovery

Ensure backup, secure sharing and data security, with risk assessment and active threat protection. In the event of an attack, recover data quickly, all in a single integrated solution.

Learn more

How can we help?

Join or clarify your questions.

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How can we help?

Security Glossary

Find definitions of key terms related to your company’s email security. Stay informed and keep your business safe.

Anti-phishing

Technologies that detect attempts to steal credentials through phishing emails, which are often created using advanced techniques or AI.


Anti-spam

Filters that block unsolicited messages and reduce the risk of exposure to attacks disguised as spam.


Email Attacks

Malicious attempts that exploit email as the primary entry point—currently the channel most frequently used by attackers.

DLP – Data Loss Prevention

Technologies that prevent the leakage or exfiltration of sensitive information sent via email by monitoring attachments, content, and peripheral devices.


Intelligent Threat Detection

Advanced real-time analysis that identifies suspicious patterns in messages, attachments, and malicious links.


Email Spoofing

A technique used to spoof the sender of an email, leading the recipient to believe that the message is legitimate.


Endpoint Detection and Response (EDR)

Technology that monitors devices connected to the email server, detecting intrusions and enabling a rapid response to incidents.

Email Fraud (BEC – Business Email Compromise)

A targeted attack that attempts to manipulate employees into making payments, transferring funds, or sharing sensitive data.


Identity Impersonation

A strategy in which the attacker impersonates legitimate entities—such as suppliers, banks, or managers—to deceive the recipient.


Malicious Links

URLs sent via email that lead to fraudulent websites or download malware onto victims' devices.


Malware via Attachments

Files that appear to be legitimate but, when opened, install malicious software on the computer.

Phishing

An attack that attempts to obtain credentials, bank details, or sensitive information through phishing emails, which are becoming increasingly sophisticated and difficult to spot.


AI-Based Phishing

Email campaigns generated using artificial intelligence are more personalized and credible, leading to higher open rates.


Ransomware via Email

Malware distributed via email attachments or links that encrypts company files and demands a ransom.


Incident Response (SOAR/EDR)

Automated processes that enable a rapid response when an attack is detected in the email ecosystem.

Email Security

A suite of features—including anti-phishing, anti-spam, DLP, intelligent detection, and endpoint protection—that safeguard the inbox and the entire flow of corporate messages.


Smishing / Vishing (Email Extensions)

Phishing attempts sent via text phone call, which complement attacks initiated via email.


Threat Vector

A method used by attackers to gain access to systems—in a business context, email is the primary entry point for attacks.

The products and services are aimed at the business market.

(1) Proofpoint’s “State of the Phish” Report (2026).

(2) StationX - Phishing Statistics: Latest Attack Data & Trends and Valimail - Email Fraud Landscape Report (April 2026).

(3) Deepstrike Study - Phishing Statistics 2026 (April 2026).