Cyberattacks targeting businesses are becoming increasingly sophisticated, making the securing of professional messaging essential. Every email is a potential entry point for hackers, highlighting the importance of adopting robust measures to protect internal and external communications.
Among the best practices, the use of two-factor authentication and email encryption top the list. Regular training for employees on threats like phishing helps to enhance collective vigilance. By combining these strategies, companies can significantly reduce risks and protect their sensitive information.
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Common Threats to Professional Messaging
Cybercriminals frequently target email addresses, an essential component of our digital lives, to deploy malicious attacks. According to the Data Breach Investigations Report published by Verizon, 94% of malware is spread via email. Phishing remains the number one threat to email security, targeting both employees and businesses.
Statistics from ANSSI and Cybermalveillance.gouv.fr reveal an alarming increase in phishing attacks in France:
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- 65% of businesses were targeted in 2023
- Attacks increased by 29% compared to the previous year
Cybercriminals often exploit public Wi-Fi networks to compromise messaging security, a particularly relevant threat for users of services like Microsoft 365.
93% of successful data breaches start with a phishing attack, according to the Data Security Breach report. Therefore, companies must take measures to secure their communications. Using IA72 Webmail for professionals can provide additional protection against these threats. The FBI warns against Business Email Compromise (BEC) attacks, which specifically target businesses by manipulating authentic messages to divert funds.
To address these threats, companies must strengthen their defenses through proven security practices and increased employee awareness. 
Best Practices to Secure Your Professional Messaging
To protect your professional messaging from cyberattacks, adopt proven security practices. Multi-factor authentication (MFA) is an essential measure: it adds an extra layer to user identification, making accounts more secure. Enable this feature to reduce the risk of compromise.
Encrypt your communications using the TLS (Transport Layer Security) protocol. This protocol ensures the confidentiality and integrity of data exchanged via email. Additionally, DKIM (DomainKeys Identified Mail) adds a digital signature to messages, ensuring their authenticity.
Configure SPF (Sender Policy Framework) to limit spoofing. SPF allows domain owners to specify which servers are authorized to send emails on their behalf. These combined measures enhance messaging security.
Use a VPN (Virtual Private Network) to encrypt your Internet connection and data transfer. A VPN protects communications from interception, especially when using public Wi-Fi networks.
Raise employee awareness of phishing risks through regular training. Everyone’s vigilance is crucial for identifying and avoiding phishing attempts. Adopt these practices to ensure the security of your professional exchanges.