Cisco Cisco Email Security Appliance C170 Betriebsanweisung
Chapter 11 Data Loss Prevention
11-28
Cisco IronPort AsyncOS 7.5 for Email Configuration Guide
OL-25136-01
Corporate Financials
The predefined Sarbanes-Oxley (SOX) policy template uses the Corporate
Financials classifier to search for non-public corporate financial information.
Financials classifier to search for non-public corporate financial information.
Examples:
2009 Cisco net sales, net income, depreciation
(Match)
FORM 10-Q 2009 I.R.S. Employer Identification No.
(Match)
Regular Expressions for Content Matching
Classifiers
Classifiers
A number of policy templates require customization of one or more classifiers,
which involves creating a regular expression to search for identification numbers
that may be linked to confidential information, such as a custom account number
or patient identification number. The style of regular expressions used for content
matching classifiers is the POSIX Basic Regular Expression style regular
expressions.
which involves creating a regular expression to search for identification numbers
that may be linked to confidential information, such as a custom account number
or patient identification number. The style of regular expressions used for content
matching classifiers is the POSIX Basic Regular Expression style regular
expressions.
Use the following table as a guide for creating regular expressions for classifiers:
Table 11-2
Regular Expression in Classifiers
Regular expression (
abc
)
Regular expressions for classifiers match a string if
the sequence of directives in the regular expression
match any part of the string.
the sequence of directives in the regular expression
match any part of the string.
For example, the regular expression
ACC
matches the
string
ACCOUNT
as well as
ACCT
.
[ ]
Use brackets to indicate a set of characters.
Characters can defined individually or within a range.
Characters can defined individually or within a range.
For example,
[a-z]
matches all lowercase letters
from
a
to
z
, while
[a-zA-Z]
matches all uppercase
and lowercase letters from
A
to
Z
.
[xyz]
matches only
the letters
x
,
y
, or
z
.