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ScreenShield™, a unique software
solution designed to decrease the threat of users viewing
pornography on computers, uses a sophisticated content-based
engine that analyzes screen images for skin tones and
protecting users from potentially pornographic images.
ScreenShield's
Components
Detection Engine
Control Panel
Modes of Operation
Installation
Online Help
ScreenShield's
Components
ScreenShield's network version
consists of the Detection Engine and Control Panel. The
Detection Engine monitors for potentially pornographic
images displayed on client PC screen's and records them
to central log file. The Control Panel is ScreenShield's
central administration facility that manages Profiles,
monitors PC's and manages the log file. You can read more
about the features of the Control Panel below.
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Detection
Engine
The Detection Engine runs on each
client PC protected by ScreenShield. This extremely fast
detection engine runs continuously in the background and
scans images displayed on each PC screen for skin tone
colors normally associated with human flesh. All on-screen
images are analyzed for anything suspected to be of a
pornographic nature. If a questionable image is detected,
the Detection Engine records the details, takes a 'snapshot'
of the screen, and transfers the information to the Control
Panel where it is stored and can be reviewed by the ScreenShield
Administrator. The Detection Engine:
• Detects images from all
sources, including:
o
Internet
o CD-ROM
o Floppy disk
o Email
o Hard Disk drives
o Computer files
• Works on both still images
and movies
• Supports all video resolutions
and screen depths of 256 colors or more
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Control Panel
The Control
Panel runs only on the PC that will be used to administer
ScreenShield. The Control Panel acts as a central administration
point for the software, allowing the ScreenShield Administrator
to configure, monitor, and control individuals or groups
of ScreenShield clients across the network. The Control
Panel is password-protected to prevent unauthorized individuals
users from changing the configuration or from viewing
and deleting the Log.
• Filters that allow you
to adjust the level of sensitivity to images
• Thresholds that allow you to set values for a
limit, in percentage terms, associated with the amount
of pornographic material present in an image
• Detection Engine Scheduler that allows you to
enable / disable the detection engine for a specified
period of time
• Profiles that allow you to set configuration
options for groups of users/clients
• Lockout Message Customization allows you to display
the message of your choice when ScreenShield is in Active
Mode. When a suspect image is displayed the screen is
blocked with this customized lockout message and the
computer frozen until an administrator unlocks the computer.
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Modes of
Operation
ScreenShield provides four (4)
Modes of Operation that allow
you to determine your organization's level of exposure
to potentially explicit images, and how you want to be
notified of any occurrences.
| Mode |
Protection
Level |
ScreenShield
Action |
| Passive
Mode |
Deter
users from viewing questionable images by displaying
the ScreenShield Icon in the System Tray while monitoring
their activities
|
Triggers
ScreenShield to take a snapshot of the PC screen and
enter the event in the log |
| Stealth
Mode |
Monitor
users' activities without alerting them that ScreenShield
is operating
|
Triggers
ScreenShield to take a snapshot of the PC screen and
enter the event in the log |
| Active
Mode |
Actively
prevent users from viewing any potentially pornographic
images by locking computers when questionable images
are displayed
|
Triggers
ScreenShield to take a snapshot of the PC screen,
enter the event in the log and lock the computer until
a password is entered to unlock it |
| Active
Warning Mode |
Warn
users when viewing any potentially pornographic images
by displaying a customized warning message when questionable
images are displayed
|
Triggers
ScreenShield to display a warning message. After a
threshold number of warnings have been given (e.g.
three strikes and you're out!) then the active screen
lock is invoked. |
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Installation
Installing the network version
of ScreenShield is quick and easy. The application can
be downloaded from our website, or it can sent to you
on a CR-ROM. The Control Panel is installed on the one
PC used to administer ScreenShield and the Detection Engine
is installed on each network PC you wish to monitor and
protect. Guardware provides
self-install programs that automatically load the software
on to your computer with a default set of configurations
in place. The ScreenShield Administrator can then customize
ScreenShield, using the Control Panel, as needed to meet
your organization's needs.
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Online Help
Context-sensitive help is provided
for individual screens and control functions that appear
while interacting with ScreenShield. Online troubleshooting
and technical help are also provided.
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