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==Intel VISA==
In 2019 researchers discovered that a manufacturer debugging mode, known as VISA, had an undocumented feature on [[Intel Corporation|Intel]] Platform Controller Hubs, which are the chipsets included on most Intel-based motherboards and which have direct memory access, which made the mode accessible with a normal motherboard possibly leading to a security vulnerability.<ref name=toms>{{cite web|url=https://www.tomshardware.com/news/intel-visa-undocumented-feature-chipsets-cpus,38954.html|title=Intel Chipsets' Undocumented Feature Can Help Hackers Steal Data|work=Tom's Hardware|author=Lucian Armasu|date=29 March 2019 }}</ref>
== See also ==
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