2 dimension code just records the label of string information one kind, undertake through appropriative tool 2 dimension pile up contains information scanning can be gettinged. Can say 2 dimension pile up itself not to have the capacity that virus transmits, but carry out when mobile phone system after through scanning 2 dimension pile up gotten string information, contract virus likely through the medium such as webpage, APP, cause a loss. Accordingly, in scanning 2 dimension are piled up before, to 2 dimension the code undertakes the risk is evaluated, can prevent 2 dimension to pile up " virus " .
When to 2 dimension the code undertakes the risk is evaluated, can release way of source, utility, transmission to undertake assessment according to what 2 dimension pile up normally.
1, do not scan the 2 dimension code with unidentified origin
The 2 safeguard that announce by authoritative orgnaization, professional personage are piled up, reveal normally releasing the prominent place such as person website, APP, and the 2 dimension code with unidentified origin, can show before the user with aleatoric form. Recommend the 2 dimension code that waits for means to get through correspondence, mail, stranger for instance.
2, do not scan did not indicate the 2 dimension code of utility
The 2 dimension that normally authoritative orgnaization, professional personage reveals are piled up, can indicate utility, use for instance download App, gathering or pay, associated network address, join video conference to wait. And a few did not indicate utility or expression are ambiguous, and the 2 dimension code that possesses allure information, sure meeting carries a few insecure message.
3, do not scan the 2 dimension code of optional transmission
Because normal 2 dimension code has fixed effect, the position that so it appears is having extremely tall conform to to spend with its action necessarily. And a few optional transmission 2 dimension code can carry a few insecure elements. For instance paste is in the small advertisement on telegraph pole.
Brief summary
Because 2 dimension pile up the pattern that just records string information to mark, observe 2 dimension are piled up directly so and can not judge it safe, can wait for information to evaluate the risk level that 2 dimension pile up through releasing way of source, utility, transmission only. Besides, scanning when 2 dimension are piled up, still can consider to use professional tool, for instance use virus defends software scans 2 dimension code, make the news that will carry out 2 dimension to pile up place to include by it again.
