Email security is the set of controls that protect a company's inboxes against phishing, malware, impersonation and data loss. It combines filters that analyze links and attachments, domain authentication with SPF, DKIM and DMARC, encryption and training, because email is still one of the most common ways attacks get in.
How TecnetOne handles it: Microsoft 365
email protection, secure email gateway, anti-phishing, spam filtering
Related terms
Wi-Fi security (WPA2 and WPA3)
Wi-Fi security is the set of measures that protect a company's wireless network so only authorized devices connect and traffic travels encrypted. WPA2 and WPA3 are the encryption standards; WPA3 is newer and better resists password-guessing attacks, and businesses add a separate guest network and per-user authentication (802.1X, known as WPA2- or WPA3-Enterprise).
MPLS
MPLS (multiprotocol label switching) is a technology carriers use to build private networks between a company's branches, steering traffic with labels instead of looking up the route at every hop. It offers predictable quality of service, although many companies now combine or replace it with SD-WAN.
SSH (Secure Shell)
SSH (Secure Shell) is the protocol that lets you manage servers and network devices remotely over an encrypted connection, typing commands as if you were in front of them. It is the standard for administering Linux servers and network equipment, and it is hardened by using key-based authentication instead of passwords and by not exposing port 22 to the internet.
Containers (Docker and Kubernetes)
A container is a lightweight package that includes an application with everything it needs to run, so it behaves the same on any server or cloud. Docker is a widely used tool to build them and Kubernetes orchestrates them at scale, and their security depends on trusted images, least privilege and monitoring.
UTM (unified threat management)
UTM (unified threat management) is a device that combines several network protections in one box: firewall, gateway antivirus, web filtering, intrusion prevention and VPN. It is common in small and midsize businesses because it simplifies management with a single console.
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