产品特点
| 平台 |
NetScreen-5GT |
| 年的总数 |
1 year(s) |
1 Year Subscription Renewal for Anti-Spam updates on NetScreen-5GT Plus
Sophos – Integrated Antispam Protection
Trusted by over 100 million users in 150 countries and endorsed by industry analysts as a leader, Sophos provides a full range of security and data protection solutions that are simple to deploy, manage and use. At the core of Sophos’s antispam technology is SophosLabs, a global network of blended threat research facilities. SophosLabs analyzes millions of emails and billions of web pages every day to deliver comprehensive threat protection to customers. Antispam analysis techniques such as IP reputation, advanced heuristics, message and attachment fingerprinting, keyword analysis, and malware, spam, and phishing URL detection are combined with realtime SXL technology to deliver proactive protection from emerging threats. Also available via SophosLabs, Behavioral Genotype provides proactive protection from fast-moving modern web threats including malware, spyware, adware and phishing, effectively guarding against evolving and zero-day threats.
SPAM list update frequency
The antispam list is updated every 60 seconds.
Types of spam covered
Botnet IPs, open proxies, known spam sources, and consumer IP ranges (usually dynamically assigned) known to be spammy or governed by service provider usage policies prohibiting direct sending of email.
Mechanisms (spam traps etc.) used for visibility and analysis
Reputation data is generated from millions of messages per day coming into Sophos’s worldwide spam traps, analysis of queries and statistical customer feedback, DNS analysis, third-party relationships, and other mechanisms.
