Apple announced Thursday that sales of OS X 10.7 Lion topped the one million mark on Wednesday, the first day of availability. Lion is only available through the Mac App Store, and at US$29.99, that means Apple has added another $30 million to its coffers (you know, because Apple was running short on cash).

Apple has updated Java in Leopard and Snow Leopard, updates that address “multiple vulnerabilities” in Java that could allow the bad guys to gain control of your Mac.

Along with Mac OS X 10.6.8 for Snow Leopard users, Apple released Security Update 2011-004 for Leopard users on Thursday. The update improves protection against the Mac Defender trojan horse and other potential security issues.

Apple has published tips to Mac users for avoiding the Mac Defender malware currently in circulation, and the company has promised an update to Mac OS X, ” that will automatically find and remove Mac Defender malware and its known variants.” In a KnowledgeBase support article, Apple also included step-by-step instructions for removing the malware if it does get installed.

Apple released Security Update 2011-002 for Mac OS X 10.5.8 “Leopard” (client and server) and Mac OS X 10.6.7 “Snow Leopard.” The patch addresses a specific issue dealing with security certificates.

Apple updated Java for both Leopard (Mac OS X 10.5.8) and Snow Leopard (Mac OS X 10.6.6) on Tuesday, including the server versions of both OSes. Java for Mac OS X 10.6 Update 4 and Java for Mac OS X 10.5 Update 9 are both security updates for the technology.

Apple announced to developers on Thursday that the company was deprecating Java for Mac OS X, warning that, “developers should not rely on the Apple-supplied Java runtime being present in future versions of Mac OS X.” When asked about the move by a developer, Apple CEO Steve Jobs allegedly replied that it may be better to let Oracle do future updates for Java for Mac.

Adobe announced Monday a security fix for Flash 10.1.x to address a serious issue that was first disclosed on September 13th, 2010. Adobe had announced at that time that a fix would be forthcoming on October 4th, making today’s release an early one.

Apple released a security update on Tuesday for Mac OS X. The patch notes for “Security Update 2010-005” are particularly sparse, saying only, “Security Update 2010-005 is recommended for all users and improves the security of Mac OS X,” but the company’s security site specifies that it address eight different security issues.

Apple updated Java for both Mac OS X 10.5.8 (Java Update 7) and Mac OS X 10.6.3 (Java Update 2) Tuesday. The releases address several important security issues.