A system comprising: one or more processors; and memory storing instructions that, when executed by the one or more processors, cause the system to perform: providing a plurality of category-sensitive chat channels (202-206, 252-256), each of the plurality of category-sensitive chat channels (202-206, 252-256) being assigned a plurality of category levels, wherein each of the category levels determines a different scope of content allowed in the assigned category-sensitive chat channel; obtaining information to be posted through a first category-sensitive chat channel of the plurality of category-sensitive chat channels (202-206, 252-256); filtering the obtained information based on at least one of the category levels of the plurality of category levels assigned to the first category-sensitive chat channel of the plurality of category-sensitive chat channels (202-206, 252-256), wherein filtering the obtained information comprises redacting the obtained information so that at least a first portion of the obtained information that fails to satisfy the at least one of the category levels is removed or marked to be removed while at least a second portion of the obtained information that satisfies the at least one of the category levels is left intact; providing a preview of the filtered information on an interface and receiving a confirmation on the interface prior to posting the filtered information; and posting the filtered information in the first category-sensitive chat channel of the plurality of category-sensitive chat channels (202-206, 252-256). one or more processors; and memory storing instructions that, when executed by the one or more processors, cause the system to perform: providing a plurality of category-sensitive chat channels (202-206, 252-256), each of the plurality of category-sensitive chat channels (202-206, 252-256) being assigned a plurality of category levels, wherein each of the category levels determines a different scope of content allowed in the assigned category-sensitive chat channel; obtaining information to be posted through a first category-sensitive chat channel of the plurality of category-sensitive chat channels (202-206, 252-256); filtering the obtained information based on at least one of the category levels of the plurality of category levels assigned to the first category-sensitive chat channel of the plurality of category-sensitive chat channels (202-206, 252-256), wherein filtering the obtained information comprises redacting the obtained information so that at least a first portion of the obtained information that fails to satisfy the at least one of the category levels is removed or marked to be removed while at least a second portion of the obtained information that satisfies the at least one of the category levels is left intact; providing a preview of the filtered information on an interface and receiving a confirmation on the interface prior to posting the filtered information; and posting the filtered information in the first category-sensitive chat channel of the plurality of category-sensitive chat channels (202-206, 252-256). providing a plurality of category-sensitive chat channels (202-206, 252-256), each of the plurality of category-sensitive chat channels (202-206, 252-256) being assigned a plurality of category levels, wherein each of the category levels determines a different scope of content allowed in the assigned category-sensitive chat channel; obtaining information to be posted through a first category-sensitive chat channel of the plurality of category-sensitive chat channels (202-206, 252-256); filtering the obtained information based on at least one of the category levels of the plurality of category levels assigned to the first category-sensitive chat channel of the plurality of category-sensitive chat channels (202-206, 252-256), wherein filtering the obtained information comprises redacting the obtained information so that at least a first portion of the obtained information that fails to satisfy the at least one of the category levels is removed or marked to be removed while at least a second portion of the obtained information that satisfies the at least one of the category levels is left intact; providing a preview of the filtered information on an interface and receiving a confirmation on the interface prior to posting the filtered information; and posting the filtered information in the first category-sensitive chat channel of the plurality of category-sensitive chat channels (202-206, 252-256).