Anti malware / anti spam / virus protection

Greetings,
With the introduce of Exchange Server 2013 along with its architecture, Microsoft has moved Transport services / roles to Mailbox Server Role. well, when it comes to anti malware / anti spam and viruses , Microsoft recommends deploying them on Mailbox Server
role, while on CAS, not necessarily be deployed as long as messages are not inspected on CAS Servers.
While some articles say the opposite, and mention configuration of Anti malware ,etc.. on CAS Servers.
What is the best practice for deploying anti malware / spam / virus  Software on CAS, and what is the best recommended software for messaging and OS level protection, say Symantec for example.
Thanking you
Jamil

Hi,
Based on my knowledge, in Exchange 2013, the CAS server acts as a stateless proxy for all inbound and outbound external SMTP traffic, it does not inspect message content and does not queue any messages locally. Moreover, as you know, in Exchange 2013, 
the Transport service, which runs on all Mailbox servers, is almost identical to the Hub Transport server role in previous versions of Exchange.
Thus, anti-spam agents in Exchange 2013 run on Mailbox servers. And here is a reference about enabling Anti-Spam on Mailbox Servers:
http://technet.microsoft.com/en-us/library/bb201691(v=exchg.150).aspx
Thanks,
Angela Shi
TechNet Community Support

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    Mac users often ask whether they should install "anti-virus" software. The answer usually given on ASC is "no." The answer is right, but it may give the wrong impression that there is no threat from what are loosely called "viruses." There  is a threat, and you need to educate yourself about it.
    1. This is a comment on what you should—and should not—do to protect yourself from malicious software ("malware") that circulates on the Internet and gets onto a computer as an unintended consequence of the user's actions. It does not apply to software, such as keystroke loggers, that may be installed deliberately by an intruder who has hands-on access to the computer, or who has been able to take control of it remotely. That threat is in a different category, and there's no easy way to defend against it.
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    how do I check that I have antivirus protection on my mac

    jaspergreer wrote:
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    Gatekeeper doesn't depend on a database of known malware. It has, however, the same limitations as XProtect, and in addition the following:
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    A malware attacker could get control of a code-signing certificate under false pretenses, or could simply ignore the consequences of distributing codesigned malware.
    An App Store developer could find a way to bypass Apple's oversight, or the oversight could fail due to human error.
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    Java is not included in OS X 10.7 and later. Discrete Java installers are distributed by Apple and by Oracle (the developer of Java.) Don't use either one unless you need it. Most people don't. If Java is installed, disable it — not JavaScript — in your browsers.
    Regardless of version, experience has shown that Java on the Web can't be trusted. If you must use a Java applet for a task on a specific site, enable Java only for that site in Safari. Never enable Java for a public website that carries third-party advertising. Use it only on well-known, login-protected, secure websites without ads. In Safari 6 or later, you'll see a lock icon in the address bar with the abbreviation "https" when visiting a secure site.
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    Why shouldn't you use commercial "anti-virus" products?
    Their design is predicated on the nonexistent threat that malware may be injected at any time, anywhere in the file system. Malware is downloaded from the network; it doesn't materialize from nowhere.
    In order to meet that nonexistent threat, the software modifies or duplicates low-level functions of the operating system, which is a waste of resources and a common cause of instability, bugs, and poor performance.
    By modifying the operating system, the software itself may create weaknesses that could be exploited by malware attackers.
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    ''mtech03 wrote:''
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    From my experience with different AV softwares, I can say that they continue scanning them as part of the filesystem, despite of being disabled.
    I am not sure about your question for the resources, but I´ll give two shots:
    1. From the system perspective: basically affects the space that the files from that profile are using. The leave also some information on the Registry hive, on .USERS\ but unless it is a large numbre, I will not be concerned.
    2. From the Antivirus perpective: Well, as usual, Disk I/O, RAM, CPU, etc...; so as much as disabled profiles, as much they will add to the usual amount of resource comsumption.
    Hope you find this informative.

  • Exchange Anti-Malware and Trend Micro

    Hellow,
    I am finalizing an Exchange 2013 deployment and I have a question:
    I have installed Trend Micro as the anti-virus solution for my exchange servers, but this is a file-level protection software, I guess it doesn't protect my Exchange, rather it protects only the windows server environment.
    Should I enable the Exchange 2013 built-in anti-malware protection along with the trend micro? If it´s not recommended, which one should I choose to keep?
    Thanks in advance.

    Hi Vinicius,
    I suggest enabling the Anti-Spam and Anti-Malware to protect the Exchange 2013 server.
    More details in the following article:
    Anti-Spam and Anti-Malware Protection
    http://technet.microsoft.com/en-us/library/jj150481(v=exchg.150).aspx
    Thanks
    Mavis
    Mavis Huang
    TechNet Community Support

  • Best Anti-Malware OS X 10.8.2

    I have read blogs/reports/articles regarding protecting the macpro, but I just want to ask it here personally.
    I have considered purchasing an AV but with the readings I have made, many account it as not necessary.
    Hopefully you could help me find an anti-malware or file scanner that best suits my need in protecting my macbook.
    Thanks and appreciate it!

    This comment applies to malicious software ("malware") that's installed unwittingly by the victim of a network attack. It does not apply to software, such as keystroke loggers, that may be installed deliberately by an attacker who has hands-on access to the victim's computer. That threat is in a different category, and there's no easy way to defend against it. If you have reason to suspect that you're the target of such an attack, you need expert help.
    All versions of OS X since 10.6.7 have been able to detect known Mac malware in downloaded files. The recognition database is automatically updated once a day; however, you shouldn't rely on it, because the attackers are always at least a day ahead of the defenders. In most cases, there’s no benefit from any other automated protection against malware. Starting with OS X 10.7.5, there is another layer of built-in malware protection, designated "Gatekeeper" by Apple. By default, applications that are downloaded from the network will only run if they're digitally signed by a developer with a certificate issued by Apple. Applications certified in this way haven't actually been tested by Apple (unless they come from the Mac App Store), but you can be sure that they haven't been modified by anyone other than the developer. His identity is known, so he could be held legally responsible if he distributed malware. For most practical purposes, applications recognized by Gatekeeper as signed can be considered safe.
    Note, however, that there are some caveats concerning Gatekeeper:
    It can be disabled or overridden by the user.
    It can be bypassed by some third-party networking software, such as BitTorrent clients and Java applets (see below.)
    It only applies to applications downloaded from the network. Software installed from a CD or other media is not checked.
    For more information about Gatekeeper, see this Apple Support article. That being said, the best defense against malware is your own intelligence. All known malware on the Internet that affects a fully-updated installation of OS X 10.6 or later takes the form of so-called "trojan horses," which can only have an effect if the victim is duped into running them. If you're smarter than the malware attacker thinks you are, you won't be duped. That means, primarily, that you never install software from an untrustworthy source. How do you know a source is untrustworthy?
    Any website that prompts you to install a “codec,” “plug-in,” or “certificate” that comes from that same site, or an unknown one, is untrustworthy.
    A web operator who tells you that you have a “virus,” or that anything else is wrong with your computer, or that you have won a prize in a contest you never entered, is trying to commit a crime with you as the victim. [Some reputable websites did legitimately warn users who were infected with the "DNSChanger" malware. That exception to this rule no longer applies.]
    “Cracked” copies of commercial software downloaded from a bittorrent are likely to be infected.
    Software with a corporate brand, such as Adobe Flash Player, must be downloaded directly from the developer’s website. No intermediary is acceptable.
    Java on the network (not to be confused with JavaScript, to which it's not related) is always a potential weak spot in the security of any operating system. If a Java web plugin is not installed, don't install it unless you really need it. If it is installed, you should disable it (not JavaScript) in your web browsers. Few websites have Java content nowadays, so you won’t be missing much. This setting is mandatory in OS X 10.5.8 or earlier, because Java in those obsolete versions has known security flaws that make it unsafe to use on the Internet. The flaws will never be fixed. Regardless of version, experience has shown that Java can never be fully trusted, even if no vulnerabilities are publicly known at the moment.
    Follow these guidelines, and you’ll be as safe from malware as you can reasonably be.
    Never install any commercial "anti-virus" products for the Mac, as they all do more harm than good. If you need to be able to detect Windows malware in your files, use the free software ClamXav — nothing else.
    Why shouldn't you use commercial "anti-virus" products?
    Their design is predicated on the nonexistent threat that malware may be injected at any time, anywhere in the filesystem. Malware gets into the system by being downloaded, not by materializing from nowhere.
    In order to meet that nonexistent threat, the software duplicates low-level functions of the operating system, which is a waste of resources and a common cause of instability and poor performance.
    By modifying the system at a low level, the software itself may create vulnerabilities that could be exploited by malware attackers.
    ClamXav doesn't have these drawbacks.

  • Need Help---Why cant I Run my Malware/ Anti-Malware Program?

    Everytime I attempt to run my extensive Anti-Malware Program I get the following Error Code:
    MBAM_ERROR_LOAD_DATABASE (0,7)
    My AVG Anti-virus runs fine!!!

    If your version is smaller than 1.46, then you might get update here:
    [http://www.malwarebytes.org/mbam-download.php]
    Or tweak from moderator:
    Download and run mbam-clean.exe from here:
    [http://www.malwarebytes.org/mbam-clean.exe]
    It will ask to restart your computer once its run, please allow it to do so.
    Then download Malwarebytes Anti-Malware from here,don't install it just yet:
    [http://www.besttechie.net/tools/mbam-setup.exe]
    Then disconnect from Internet (just for your safety).
    Then temporarily disable your anti-virus, script blocking and/or any other anti-malware real-time protection (that's why I ask you to disconnect from Internet).
    Then try installing and running MBAM again (any real-time protection could have tried to stop MBAM installation; that's why it was turned off in previous step).
    Does it help?

  • Ran Malware ANTI Malware on windows 7 64 bit PC now cannot get my tools menue on home page

    I am getting a lot of survay's popping up on my PC so I downloaded the free version of Malware Bytes Anti Malware, it took out my tools menue from my home page and adobe air aswell as HP smart web print along with some other programs, I have most back now, redownloaded windows
    photo gallery and movie maker and adobe air but I cannot get my tools menue back or HP smart web print, I do not think smart web print could be a virus as it was downloaded from HP web site.
    Using IE 9, can anyone help please.

    A bit of repetition, mainly for the benefit of anyone else with the same issue. In your case the "for older video cards" version might be worth a try.
    When cleaning folders you need to check both the Program Files and Program Files (x86) folders, which you may well have done but didn't mention in the detail above.
    For general advice see Troubleshooting issues with iTunes for Windows updates.
    The section Install missing components has advice on breaking down the iTunes installer into the individual .msi files which might prove useful if Apple Mobile Device Support won't install normally.
    The steps in the second box are a guide to removing everything related to iTunes and then rebuilding it which is often a good starting point unless the symptoms indicate a more specific approach. Review the other boxes and the list of support documents further down the page in case one of them applies.
    The further information area has direct links to the current and recent builds in case you have problems downloading, need to revert to an older version or want to try the iTunes for Windows (64-bit - for older video cards) release as a workaround for performance issues or compatibility with third party software.
    Your library should be unaffected by these steps but there is backup and recovery advice elsewhere in the user tip.
    tt2

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