Apple has released Security Update 2014-002 with security fixes for OS X 10.9 Mavericks, as well as for those still using 10.8 Mountain Lion, 10.7 Lion, and 10.7 Lion Server. According to the release notes, the security update patches a vulnerability with HTTP headers that enabled attackers to obtain Web site credentials, which affected all three versions of OS X. It also fixes a particularly ugly vulnerability to a “triple handshake” attack that could affect both Mavericks and Mountain Lion. However, the bulk of the changes focus on Mavericks, addressing vulnerabilities with CoreServicesUIAgent Web site validation, Heimdal Kerberos authentication, ImageIO’s handling of JPEG images, and a power management issue that could prevent the system from going to sleep and keep the screen unlocked. (All updates are free. For 10.9 Mavericks, 80.5 MB; for 10.8 Mountain Lion, 135.9 MB; for 10.7 Lion, 126.9 MB; for 10.7 Lion Server, 177.2 MB.)
Data Tables in Microsoft Excel 2008
Data Tables let you see how the results of a formula change as its underlying variables change. After entering data, select the entire table and choose Data > Table. Then tell Excel which row input cell and column input cells you want the table to use. Finally, click OK. Excel will crunch the numbers and present a new Data Table.
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Security Update 2014-002 (Mavericks, Mountain Lion, and Lion)
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