Macintosh security specialist Intego today released an addition to its popular Dual Protection (DP) product line, ContentBarrier X4 DP. This program helps Mac users protect both Mac OS X and their Windows installation to make the Internet a safe place for children. ContentBarrier X4 Dual Protection features Intego’s award-winning parental control software together with Editions Profil’s Parental Filter, a top-rated Windows program, to provide Mac users with protection for both operating systems. Intego ContentBarrier X4 requires Mac OS X 10.2.8 or later, priced at US$59.95.