Sample email and virus security policy

Sample Email and Virus Security Policy It is the responsibility of everyone who uses the network to take reasonable measures to protect that network from virus infections. The attached document, provided by The Computer Guy, outlines how various viruses can infect the network, how the IT department tries to prevent andor minimize infections, and how the network users should respond to a virus if they suspect one has infected the network.

Sample E-mail and Virus Security Policy Version 1.0 Published Nov 13,2004 By William Loring, The Computer Guy Email and Virus protection policy Prohibited use Users shall not use Internet or e-mail services to view, download, save, receive, or send material related to or including: • Offensive content of any kind, including pornographic material • Promoting discrimination on the basis of race, gender, national origin, age, marital status, sexual orientation, religion, or disability • Threatening or violent behavior • Illegal activities • Commercial messages • Messages of a religious, political, or racial nature • Gambling • Sports, entertainment, and job information and/or sites • Personal financial gain • Forwarding e-mail chain letters, jokes, or stories • Sending business-sensitive information by e-mail or over the Internet • Dispersing corporate data to Company’s customers or clients without authorization • Opening files received from the Internet without performing a virus scan • Downloading and installing programs, especially spyware or ad-ware, on the workstation How viruses can infect a network There are actually three various types of computer viruses: true viruses, Trojan horses, and worms True viruses actually hide themselves, often as macros, within other files, such as spreadsheets or Word documents When an infected file is opened from a computer connected to the network, the virus can spread throughout the network and may damage A Trojan horse is an actual program file that, once executed, doesn't spread but can damage the computer on which the file was run A worm is also a program file that, when executed, can both spread throughout a network and damage to the computer from which it was run Viruses can enter the network in a variety of ways: E-mail—By far, most viruses are sent as e-mail attachments These attachments could be working documents or spreadsheets, or they could be merely viruses disguised as pictures, jokes, etc These attachments may have been knowingly sent by someone wanting to infect [organization name]'s network or by someone who does not know the attachment contains a virus However, once some viruses are opened, they automatically e-mail themselves, and the sender may not know his or her computer is infected Forwarding jokes to friends is a very common vector for email viruses Whenever you send, reply or forward a message, your email address is included in the message When the recipient forwards the message to someone else, and they forward it to someone else, your email address can end up on hundreds of pc’s If any one of those pc’s gets infected by a virus, they can send a virus to your e-mail address, even though you may never have directly emailed them The virus will send a copy of itself to any address in their computer, including spam addresses, so now you are getting viruses, and spam With most new e-mail viruses, there is no way to trace who sent it, because the source address is forged Be careful who you give your email address to and who you email Disk, CD, Zip disk, or other media—Viruses can also spread via various types of storage media As with e-mail attachments, the virus could hide within a legitimate document or spreadsheet or simply be disguised as another type of file Software downloaded from the Internet—Downloading software via the Internet can also be a source of infection As with other types of transmissions, the virus could hide within a legitimate document, spreadsheet, or other type of file Instant messaging attachments—Although less common than e-mail attachments, more viruses are taking advantage of instant messaging software These attachments work the same as e-mail viruses, but they are transmitted via instant messaging software How the IT department prevents and/or minimizes virus infections Removing Emailed program files at the firewall-Most email viruses hide themselves in program files These types of program files are removed at the firewall, i.e exe, com, bat These are the most common types of files to have email viruses, and in the normal workday, an employee has no need of emailing these types of files If the transfer of these types of files is necessary, please contact the IT department Why we block programs files from Email transmission? A virus can sweep the internet much faster than an Anti Virus vendor can update their software, by preventing these types of files from ever entering our network, we are proactively preventing infection by new viruses that are not detected by anti virus software Email Server Anti virus-The email server has an anti virus program that scans all messages and removes viruses before the email message gets to the users desktop Scanning Internet traffic—All Internet traffic coming to and going from our network must pass through company servers and other network devices Only specific types of network traffic are allowed beyond the organization’s exterior firewalls Many types of program downloads will be blocked Running server and workstation antivirus software—All servers run antivirus scanning software This software scans our file-sharing data stores, looking for suspicious code Antivirus protection software is also installed on all organization workstations This software scans all data written to or read from a workstation's hard drive If it finds something suspicious, it isolates the dubious file on the computer and automatically notifies the help desk Routinely updating virus definitions—Every morning, the server virus scanning programs check for updated virus definitions These definition files allow the software to detect new viruses If a new virus definition file is available, the virus scanning software is automatically updated, and then the system administrator is informed When end users turn on their computers at the beginning of the workday, the workstation virus protection program checks with a server on the network for updates The workstation program will then download and install the update automatically, if one exists How to respond to and report a virus Even though all Internet traffic is scanned for viruses and all files on the company’s servers are scanned, the possibility still exists that a new or well-hidden virus could find its way to an employee’s workstation, and if not properly handled, it could infect [Company]'s network The IT staff will attempt to notify all users of credible virus threats via e-mail or telephone messages Because this notification will automatically go to everyone in the organization, employees should not forward virus warning messages On occasion, wellmeaning people will distribute virus warnings that are actually virus hoaxes These warnings are typically harmless; however, forwarding such messages unnecessarily increases network traffic As stated, it is the responsibility of all [Company] network users to take reasonable steps to prevent virus outbreaks Use the guidelines below to your part: 1) Do not open unexpected e-mail attachments, even from coworkers or someone you know 2) Never open an e-mail or instant messaging attachment from an unknown or suspicious source 3) Never download freeware or shareware from the Internet without express permission of the IT department 4) If a file you receive contains macros that you are unsure about, disable the macros Notify the IT department of suspicious files If you receive a suspicious file or e-mail attachment, not open it Call [Company]'s help desk at extension [insert extension number] and inform the support analyst that you have received a suspicious file The support analyst will explain how to handle the file If the potentially infected file is on a disk that you have inserted into your computer, the antivirus software on your machine will ask you if you wish to scan the disk, format the disk, or eject the disk Eject the disk and contact the help desk at extension [insert extension number] They will instruct you on how to handle the disk After the support analyst has neutralized the file, send a note to the person who sent/gave you the file notifying them that they sent/gave you a virus (If the file was sent via e-mail, the antivirus software running on our e-mail system will automatically send an e-mail message informing the sender of the virus it detected.) If the file is an infected spreadsheet or document that is of critical importance to [Company], the IT department will attempt to scan and clean the file The IT department, however, makes no guarantees as to whether an infected file can be totally cleaned and will not allow the infected file to be used on [Company] computers 5 NarrowCast Group, LLC ●●● 111 West Washington St Suite 300 ●●● Louisville, KY 40202 Terms and Conditions Thank you for participating in IT Business Edge’s Knowledge Network, a professional community providing users with high-quality, useful information, documents, tools, and templates (collectively "Works" and individually a "Work") to support your business’ success (collectively ITBusinessEdge.com and the Knowledge Network shall be referred to as the "Service") By using the Service, you agree to the following terms and conditions of use and any changes or modifications made and published online from time to time without notice to you All downloaded Works are 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Edge and its subsidiaries and affiliates and their respective directors, officers, shareholders, employees, agents, clients and contractors from and against any loss, claim, demand, cost and expense... e-mail viruses, but they are transmitted via instant messaging software How the IT department prevents and/ or minimizes virus infections Removing Emailed program files at the firewall-Most email viruses