Network & Desktop Security

Intrusion Detection, Managed Security, Advanced Persistent Threats…or in layman’s terms…Viruses

No Comments » Written on December 28th, 2011 by
Categories: Email Protection, Network & Desktop Security
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Lately we’ve noticed a rise in virus (including malware, trojan, and spyware) activity with many of our clients. Some of the discussions that have taken place since then have helped us realize that there needs to be much more education on this problem and the possible solutions. We’ll attempt to do that in this month’s newsletter. Read the rest of this entry »

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Posted in Email Protection, Network & Desktop Security

How SSL and CAs Work

No Comments » Written on March 11th, 2011 by
Categories: Network & Desktop Security
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Each time you visit an SSL-secured Website, you get the “green bar”/lock and your computer recognizes that the certificate is valid because it already has a copy of a certificate authority’s (CA) root certificate in its “Trusted Root Certification Authorities” certificate store.  For example, by default, when you install a fresh XP/7 machine, there are over 50 root CAs pre-installed.  Among them are: Thawte, Verisign, StartSSL, Microsoft, etc.  These are some of the de facto “big players” in the SSL market, and Microsoft has made the decision for you (when you install the OS) that these root certificates will be installed and, therefore, trusted. Read the rest of this entry »

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Is Your DNS Healthy?

No Comments » Written on December 1st, 2008 by
Categories: Network & Desktop Security
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You Need It To Be!

DNS configuration is essential to all of your network services.  Your e-mail, directory services (Microsoft Active Directory, Novell, etc.), and Web applications are dependent on proper DNS configuration. One small error in internal or external DNS can result in unavailable services, website errors, or non-delivery of e-mail.  Adding to the complexities of top-level DNS setup are the numerous concepts of zone transfers, TTLs, SOAs, PTRs, and so on. Read the rest of this entry »

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Posted in Network & Desktop Security