Compressed files provide a number of special security concerns. Compressed files can be password-protected or encrypted, can harbor so-called "zip-of-death" security risks, and can contain numerous compression layers.
Cloud App Security extracts and scans files compressed using the most popular compression types (listed below). Cloud App Security also checks for malware "smuggled" within nested compressions. Example: An infected file that is zipped, ARJ-compressed, MS-compressed, and zipped again.
Cloud App Security supports scanning up to 5 recursive compression layers maximum.
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