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False alarms
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2. What are false alarms?
A false alarm is another way of saying ‘mistake’.
As applied to the field of anti-virus programs, a
false alarm occurs when the program mistakenly
flags an innocent file as being infected. This may
seem harmless enough, but false alarms can be a
real nuisance.
You waste productivity due to user down-time.
You may take e-mail offline, as a security
precaution, thus causing a backlog and more
lost productivity
You waste even more time and resources in
futile attempts to disinfect ‘infected’ files. And
if you load a backup, to replace ‘infected files,
the backup appears to be infected too.
In short, false alarms can be costly nuisances.
The term is not confined just to the anti-virus
world. It also applies, for example on Trojan
protection and anti-malware. This too could be
2
3. very costly, for example an e-mail that marks as
may be a business critical message.
Why do false alarms appear?
Difficult to say only one main reason of false
alarms, but usual of them are following:
- the one of the main purposes of protection
systems – make it harder to analyze, reverse
and crack the application. Malware (virus)
makers are also very often use protection
systems to protect viruses to make them
difficult to analyze. So antivirus
- Software vendors sometimes wrongly detect
virus in any protected files, for example, if
last days there were lot of protected viruses
- Heuristic and generic analyzers of antivirus
software may
often fail, because these
are robot, and automatic robot detections
can’t give us 100% result
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4. - Just an error of antivirus software engineers,
which may wrongly analyze and detect virus
in protected file.
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11. What you can do?
There is no magic formula to solving the false
alarm problem;
Our best advice is to look for trusted seal or seal
approval of some anti- virus software.
Logically, Antivirus software will not risk their
credibility by giving trusted seal or seal approval
without a thorough examination.
Here is a thumb rule for you: When a product is
marked as trusted seal by one of the major AntiVirus software, and is caught by different AntiVirus software – then you know it's a false alarm.
Most common software and web-site that get
false alarms
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