![]() Sen said many people don’t know all the places where their data ends up. ![]() Ravi Sen, a cybersecurity researcher and professor at Texas A&M University, said law enforcement and other groups “with resources and access to the right kind of tools and expertise” could likely recover deleted data, in certain circumstances. (Photo by Kevin Dietsch/Getty Images) Kevin Dietsch/Getty ImagesĪt Twitter whistleblower hearing, a key tech regulator comes under fire Zatko claims that Twitter's widespread security failures pose a security risk to user's privacy and information and could potentially endanger national security. WASHINGTON, DC - SEPTEMBER 13: Peiter "Mudge" Zatko, former head of security at Twitter, testifies before the Senate Judiciary Committee on data security at Twitter, on Capitol Hill, Septemin Washington, DC. (There was no indication any of the messages in that case had previously been deleted.) In July, Facebook-parent Meta came under harsh scrutiny after news broke that messages sent through Messenger and obtained by law enforcement had been used to charge a Nebraska teen and her mother with having an illegal abortion. Wade in June, there’s now potential to use search histories, location data, text messages and more to punish people who look online for information about or access to abortion services. In the wake of the Supreme Court’s decision to overturn Roe v. The stakes for feeling in control of our data, and confident in our ability to delete it, have arguably never been higher. “Retracting something from the internet, hitting the reset button - is almost impossible.” ![]() “It sounds very simple, but whatever you put out there, don’t ever expect it to become private again,” said Matz, a social media researcher and professor at Columbia Business School. While Zatko’s allegations are stunning, it also served as just another reminder to Sandra Matz of “how oftentimes mindless we are” in sharing our data online. Photo by Sarah Silbiger for CNN Sarah Silbiger for CNN Peiter Zatko, known as Mudge in the computer hacking community, testifies before the Senate Judiciary Committee on Capitol Hill in Washington, D.C., U.S., September 13, 2022. In response to questions from CNN, Twitter has previously said it has workflows in place to “begin a deletion process” but has not said whether it typically completes that process. Twitter has broadly defended itself against Zatko’s allegations, saying his disclosure paints a “false narrative” of the company. In his testimony and whistleblower disclosure, Zatko alleged Twitter does not reliably delete users’ data, in some cases because it has lost track of the information. Peiter “Mudge” Zatko, the former security chief at Twitter, told a Senate committee on Tuesday that the social network does not reliably delete the data of users who cancel their accounts, expanding on bombshell allegations he made in a whistleblower disclosure first reported by CNN and The Washington Post last month. But a tech hearing this week threw that core assumption into question. Most people may live out their digital lives with the assumption they can delete their posts, messages and personal data from services whenever they choose.
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