Restoring factory settings is not free from porn scandals

Restoring factory settings is not free from porn scandals
Security software developer Avast this week questioned the safety and thoroughness of the factory reset feature on Android. The company bought 20 second-hand Android phones to test whether it could recover the personal data of previous users from them. Each phone was restored to factory settings before being sold, so in theory Avast's experiment should not succeed, but the opposite was true. Using legal software that is available to everyone, Avast said it had recovered more than 40,000 photos from the phones. Many of the photos were of children, while others were sexy photos of women and men. In addition, Avast also recovered Google search keywords, emails and text messages. In addition, using data that was thought to have been permanently deleted, Avast successfully identified the original owners of four phones. Avast said that the data could only be truly deleted by overwriting the previous data. The American technology blog The Verge has contacted Google for more information about Android's factory reset feature and whether it can really prevent such data recovery. At present, the results of Avast's experiment are questionable. As an information security software company, Avast may have its own motivations, such as taking the opportunity to claim that its tools are more effective than those provided by Google. For iOS devices, Apple has a unique way of preventing data from being restored after being cleared. In newer devices, the reset function of iOS will remove the encryption key used to protect user data. Therefore, even if the user data can be recovered, the data cannot be read and will be useless. For older iPhones and iPod Touches, according to Apple, when users clear data, the system will overwrite user settings and information and write a series of "1"s to the data partition. In most cases, this can prevent unauthorized data recovery.

As a winner of Toutiao's Qingyun Plan and Baijiahao's Bai+ Plan, the 2019 Baidu Digital Author of the Year, the Baijiahao's Most Popular Author in the Technology Field, the 2019 Sogou Technology and Culture Author, and the 2021 Baijiahao Quarterly Influential Creator, he has won many awards, including the 2013 Sohu Best Industry Media Person, the 2015 China New Media Entrepreneurship Competition Beijing Third Place, the 2015 Guangmang Experience Award, the 2015 China New Media Entrepreneurship Competition Finals Third Place, and the 2018 Baidu Dynamic Annual Powerful Celebrity.

<<:  Domestic smart watches: groping in the dark

>>:  Which chip has better performance? Qualcomm Snapdragon 801 vs HiSilicon 920 chip

Recommend

He boiled 50 eggs just to compare two methods of making soft-boiled eggs.

Regarding boiling eggs, many cookbooks say this: ...

Strong convection that can’t be hurt!

Severe convective weather is the most difficult t...

How to increase the number of APP downloads from 0 to 3 million?

In April of this year, I was looking for product ...

How to solve the user retention problem? These 3 dimensions can help you solve it

I heard that your APP has a large number of users...

Safe screen usage distance! You don’t even know these key values?

...

How much does it cost to customize the Chengde Paper Products Mini Program? What is the price quote for Chengde Paper Products Mini Program customization?

The main factors affecting the price of mini prog...

Is it true that sour boys and spicy girls are the same? The gender of the child is determined at this time...

gossip "Those who like to eat sour food duri...

Are smart children genetic or "chicken baby"? These twin studies show that it's not simple

In today's era where education is extremely i...

How did Momo gain tens of millions of users in just one year?

In June 2011, Boss Wang (Wang Li called himself B...

How much does it cost to produce a digital mini program in Shijiazhuang? What is the quotation for producing digital mini-programs in Shijiazhuang?

There is no doubt that the topic of mini programs...

The pitfalls of CoreData meeting iCloud

Although Apple has touted the perfect cooperation...

Fruits in the refrigerator tend to turn black? Beware of cold damage! Here’s how to store them →

In daily life, we often put the fruits we buy hom...

Want to achieve millimeter-level positioning accuracy? That's all within my calculations!

...

Analysis of information flow promotion copywriting, teach you how to lock in users in one second!

According to iResearch's report "Market ...

Rainbow candy, do you still dare to eat it?

Everyone is familiar with Skittles, which are eve...