However, with the rise of new technologies, such as HTML5, CSS3, and JavaScript, the need for Flash ActiveX began to decline. Several factors contributed to the decline of Flash ActiveX, including:
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Because ActiveX controls have high-level access to the local system, they became a frequent target for cyberattacks. Adobe frequently had to release "zero-day" fixes to patch flaws that hackers used to gain control of users' computers. 2. The Rise of Mobile flash activex