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ESA & WSA
Cisco ESA (Email Security Appliance) :
- Focuses on email security.
- Scans incoming and outgoing emails for threats like:
- Spam
- Viruses
- Phishing attacks
- Malicious attachments and links
- Prevents email-based attacks from reaching users
- Secures email communication for both internal and external exchanges
- Helps prevent data loss via email by monitoring outbound emails
- Primarily used to protect the email servers of organizations
Cisco WSA (Web Security Appliance) :
- Focuses on web security.
- Scans all web traffic for threats such as:
- Malicious websites
- Viruses and malware from web pages
- Phishing sites
- Filters and controls access to unsafe or inappropriate websites
- Prevents users from accessing harmful content while browsing the internet
- Can implement web content filtering (block specific categories of websites, such as social media or gambling)
- Used to protect users from threats while browsing the web
Key Differences :
- ESA deals with securing email communication
- WSA focuses on securing web traffic
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