Remote work is no longer a passing trend: it is a consolidated reality in companies of all sizes and sectors. However, this modality presents new challenges for cybersecurity, since employees access sensitive information outside the corporate network, often from devices and connections that do not always have proper protections.

Heading into 2025, threats are more sophisticated than ever: ransomware targeting remote users, personalized phishing, malware on mobile devices, and attacks through insecure Wi-Fi networks. To mitigate these risks, organizations must implement a comprehensive approach to remote work security, combining policies, technology, and training.

Why remote work security is crucial

The increase in hybrid and remote work expands the attack surface of organizations. Each external connection to the corporate network is a potential entry point for cybercriminals. Some common risks include:

• Unmanaged devices: laptops or mobile devices used to access company information.
• Public networks: connections in coffee shops, airports, or hotels that can easily be intercepted.
• Phishing and social engineering attacks: fraudulent emails aimed at stealing credentials.
• Lack of software updates: devices without recent security patches.

Faced with this scenario, it is essential to apply best practices that guarantee the confidentiality, integrity, and availability of information.

Best practices for remote work security in 2025

1. Implement Endpoint Protection solutions
   Devices must be protected against malware, ransomware, and unauthorized access. Modern Endpoint Protection solutions include advanced detection based on behavior and artificial intelligence.
2. Adopt a Zero Trust policy
   The Zero Trust model is based on the principle of “never trust, always verify.” This means continuously validating user identity, device, and connection before granting access.
3. Mandatory use of VPN or ZTNA
   Secure VPNs are still useful, but are gradually being replaced by ZTNA (Zero Trust Network Access), which provides more granular and secure access to applications without exposing the entire network.
4. Multi-factor authentication (MFA)
   MFA should be mandatory for all remote access. The use of tokens, mobile apps, or biometrics drastically reduces the risk of unauthorized access due to stolen credentials.
5. Password management
   Remote work increases the number of accounts and credentials users handle. A corporate password manager such as 1Password ensures strong, unique passwords are used.
6. Monitoring and activity logging
   Platforms like Teramind or Syteca help identify suspicious behaviors, prevent data leaks, and provide evidence in case of incidents.
7. Communication protection
   Email and collaboration tools must include phishing filters, encryption, and malware protection. Solutions such as TitanHQ and SendMarc help prevent identity spoofing attacks.
8. Continuous cybersecurity training
   The human factor remains the weakest link. Ongoing training in detecting fraudulent emails, good password practices, and safe device use is key.

Practical example: secure remote work in 2025

Imagine a company with employees in three countries. Each worker uses a corporate laptop with next-generation antivirus and patch control. To connect to internal applications, they access via ZTNA, validating their identity with MFA and a centralized password manager.

Email communications go through phishing filters, while work sessions are logged and analyzed to detect anomalous behaviors. In addition, employees receive monthly cybersecurity training, with phishing attack simulations.

The result: a significant reduction in security incidents and greater trust from clients and partners.

Conclusion

Remote work security must be a strategic priority for 2025. With the right combination of technologies, policies, and training, companies can protect their critical information and ensure employees work productively and safely from anywhere.

At Aufiero Informática, we support organizations in adopting the best cybersecurity solutions for remote work. Contact us today and discover how to strengthen your company’s protection against new digital threats.