This is the ultimate security guide for Android users in 2025

For those who don’t know, Google gives you quite a bit of authority over how and when it accesses your information associated with Android. And we say this because Apple has been boasting for years that they are the user-friendly company when it comes to privacy, but Google has improved a lot in this regard over the last 4 years. Ultimately, it all comes down to being informed about the possibilities and then determining what balance between privacy and functionality makes the most sense for you. And the responsibility falls directly on you, which means you have to make an effort […]

For those who don’t know, Google gives you quite a bit of authority over how and when it accesses your information associated with Android. And we say this because Apple has been boasting for years that they are the user privacy-friendly company, but Google has improved a lot in this regard over the last 4 years.

Ultimately, it all comes down to being informed about the possibilities and then determining what balance between privacy and functionality makes the most sense for you.

And the responsibility falls directly on you, which means you have to make an effort to understand your operating system and how you can get the most out of it without giving up all your privacy along the way.

By default, most of Google’s privacy options are turned off, as Google thrives on ads and the better it knows you, the better experience it can offer you as an individual user.

This is not necessarily bad, but it may not be what you want or are looking for. And navigating through the layers of settings, not only with Google itself but also with the various third-party services that interact with the phone, is often easier said than done. So let’s go with the best options when it comes to securing your phone and your Google account:

1. Uninstall all the apps you don’t use

This first step of privacy on Android is a no-brainer and something everyone should do periodically: review all the apps installed on your phone and delete the ones you haven’t used in the last two months.

Applications that you do not use not only consume resources on your device, but they can also leave doors open to confidential information that would be better closed.

So open the app drawer and examine all the icons you see. If you haven’t used an app in a while, press and hold its icon and select “Uninstall” or, if you don’t see that option, select “App info” and look for the “Uninstall” button.

2. Check the applications with access to your Google account

In addition to specific phone permissions, applications and services may request access to certain types of data from your Google account, such as your contacts, your Gmail messages, or even your Google Drive storage.

Once again, this access may be completely justified and not a cause for concern (and would only be present if you explicitly authorize it at some point), but once you are no longer actively using the associated application, you won’t want to leave that avenue open.

Luckily, it is especially easy to close, and another painless privacy measure that is worth doing periodically. You just have to open the Google account connections page and review everything that appears on the list. For items you no longer use or do not recognize, click on their title and then on the “Remove all connections” option on the screen that appears next.

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3. Ensure your lock screen does not display sensitive information

By default, Android is usually set to display all the content of your notifications on the lock screen, which means that if someone else picks up your phone, they could see sensitive information without even having to enter a PIN, pattern, or passcode.

To change this situation, open the Display section of your phone’s settings, select “Lock screen” and then “Privacy” and change the setting to “Show sensitive content only when unlocked” or “Do not show notifications at all,” whichever is more convenient for you.

4. Reset or delete the Android advertising ID

Many people don’t know it, but you can reset or delete something known as your “advertising ID” on Android.

That ID is a unique string of specific numbers from your phone that apps can use to identify you. They may not know your name or anything personal about you – unless you choose to share that information – but that advertising ID allows them to understand your interests and behaviors, and then use that data to show you ads that are supposedly more likely to appeal to you.

When you reset or delete that ID, all that data is lost, and the apps have no way to relate your behavior to any consistent identifier associated with you. Once again, that doesn’t mean you won’t see ads within apps or on the web. It just means that those ads won’t be programmatically selected based on your ongoing activities and what they suggest about your interests.

5. Review the permissions of your applications on Android

Let’s think about those apps that you actively use, because even those may have permissions that you once granted, but no longer need.

So open the Security and Privacy section of the system settings and tap “Permission Manager”. Depending on the software and device you are using, you may need to first tap a line that says “Privacy” or “Privacy Controls” before you see it.

Next, go through each type of permission on the list one by one, review the applications that have access to it, and consider whether the access of each application still seems necessary to you.

If you see something that seems questionable, tap the app’s name and change its setting to “Deny”. There is a possibility that the app may no longer be able to perform some of its functions as a result, but in the worst case, it will ask you to re-enable the permission at some future point and then you can reconsider it.

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Starting from Android 12 in 2021 onwards, you can specify whether you want an app to have access to your exact location or just the approximate one, in case you’re very concerned about them knowing where you are at all times.

Bluesky introduces Trending Topics in beta and continues to grow despite the bans

Bluesky, the decentralized social platform, has announced a new “Trending Topics” feature as a Christmas gift, currently available only in beta. This tool, similar to its rival Twitter, can be turned on or off in the “Content and Media” section within Settings. Currently, it only works in English, although more languages are planned to be included in the future. In the desktop version, Trending Topics appear in the right sidebar, while in the mobile app they are accessible from the search button. The feature also respects the words muted by users, so that it does not […]

Bluesky, the decentralized social platform, has announced a Christmas gift: a new “Trending Topics” feature, currently available only in beta. This tool, similar to its rival Twitter, can be turned on or off in the “Content and Media” section within Settings. Currently, it only works in English, although more languages are planned to be included in the future.

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In the desktop version, the Trending Topics appear in the right sidebar, while in the mobile app they are accessible from the search button. The feature also respects the words muted by users, so they do not appear in this section unless desired.

Merry Christmas from us to you ??? We launched Trending Topics today, and you can find it by tapping the search icon on the bottom bar of the app or the right sidebar on desktop.

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— Bluesky (@bsky.app) 26 de diciembre de 2024, 2:09

With almost 26 million users, Bluesky is not only working on new features but is also dealing with all kinds of issues, including the increased influx of fake accounts and identity theft. Globally, the social network has been banned by governments such as China and Pakistan, which censored the platform at different times in 2024. Additionally, it has been criticized by politicians and conservative users following the electoral victory of Donald Trump in the U.S. elections.

Despite the challenges it is currently facing, the platform has grown rapidly, attracting millions of users dissatisfied with the current Twitter under Elon Musk.

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Google reviews 2024 in a video analyzing the searches of billions of people: It’s worth watching

It seems that this year we have only talked about Donald Trump and Israel’s invasion of Gaza. And, according to Google’s Year in Review 2024, we have talked about this… but also about many more things. Google’s annual review of the most searched terms in 2024 reveals that the top global searches were mainly based on sporting events like the Copa América, the UEFA European Championship, and the Olympic Games. Additionally, people searched for Liam Payne, former member of One Direction who passed away in October, and the president-elect of the United States, Donald Trump. Because as it was […]

It seems that this year we have only talked about Donald Trump and Israel’s invasion of Gaza. And, according to Google’s Year in Review 2024, we have talked about this… but also about many more things.

Google’s annual review of the most searched terms in 2024 reveals that the top global searches were primarily based on sporting events such as the Copa América, the UEFA European Championship, and the Olympic Games.

Additionally, people searched for Liam Payne, former member of One Direction who passed away in October, and the president-elect of the United States, Donald Trump. As expected, many of this year’s searches were related to the U.S. presidential elections.

A truly vibrant year that we will never forget

Some of the terms that stand out this year include “excessive heat,” obviously related to the extremely high temperatures in many places around the world this summer, “iPhone 16” which shows the ongoing interest in Apple’s flagship phone, and Imane Khelif, the Algerian boxer who was falsely accused of being a man during the 2024 Summer Olympics.

To remember the year, Google has shared a handy video, with an emotional overview of some of the people and events that topped this year’s trends. It’s worth watching the full video, above.

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Highlights of 2024 included the year of Country music, with Beyoncé and Post Malone reviving a genre that had been declining for decades. Or the farewell of Rafa Nadal, one of the greatest athletes of all time, in his farewell year from tennis. Without a doubt, it’s worth a peek!

Quantum teleportation through Internet cables is possible: this is how it works

A team of engineers from Northwestern University has carried out the first demonstration of quantum teleportation through fiber optic cables that already carry Internet traffic. This breakthrough, published in the journal Optica, opens the door to combining quantum communication with existing fiber optic infrastructures, significantly simplifying future applications of quantum computing and advanced technologies. “Our work shows a path towards next-generation quantum and classical networks sharing a unified infrastructure,” commented Prem Kumar, the study leader. Quantum teleportation allows information to be shared in an ultra-fast and secure manner between users […]

A team of engineers from Northwestern University has conducted the first demonstration of quantum teleportation through fiber optic cables that already carry Internet traffic. This breakthrough, published in the journal Optica, paves the way for combining quantum communication with existing fiber optic infrastructures, significantly simplifying future applications of quantum computing and advanced technologies. “Our work shows a path towards next-generation quantum and classical networks sharing a unified infrastructure,” commented Prem Kumar, leader of the study.

Quantum teleportation allows sharing information ultra-fast and securely between distant users, without the need to directly transmit the data. This phenomenon takes advantage of quantum entanglement, a technique that connects particles despite the distance between them. As Kumar explained, while classical communications use millions of light particles, quantum information employs individual photons. “Teleportation allows the exchange of information without it having to physically travel long distances,” detailed Jordan Thomas, co-author of the study.

Before this discovery, many doubted the viability of quantum teleportation in cables with classical traffic, given that the entangled photons would be lost among millions of light particles. However, Kumar’s team identified less congested wavelengths to place the photons, in addition to adding filters that reduce the noise generated by Internet traffic. “We placed our photons at a strategic point where the scattering mechanism is minimized,” explained Kumar.

Classic infrastructures can be leveraged

To test the method, the researchers used a 30-kilometer fiber optic cable with a photon at each end, simultaneously sent quantum information and high-speed traffic, and confirmed that the quantum information arrived intact at the destination after applying a quantum measurement protocol. “This work demonstrates the coexistence of quantum and classical communications in fiber optics,” highlighted Thomas.

The next steps include extending the experiments to greater distances and testing with cables installed underground. “If we choose the wavelengths well, it will not be necessary to build new infrastructures,” concluded Kumar, showing optimism. “Classical and quantum communications can coexist.”

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What is Fartcoin? The most meme cryptocurrency has reached 500 million dollars

Fartcoin is the ultimate memecoin with no utility whatsoever, and the incredible thing is that it has amazed the world by claiming a market capitalization of over 500 million dollars. This event is surprising, as the era of memecoins is long gone. Their heyday was in 2019 and 2020, but since the Bitcoin crash around that time, almost all of them have fallen into oblivion. For those who don’t know, Fartcoin has no intrinsic value. Instead, the memecoin derives all of its value from a vibrant community dedicated to sharing jokes and memes […]

Fartcoin is the memecoin par excellence with no utility whatsoever, and the incredible thing is that it has amazed the world by claiming a market capitalization of over 500 million dollars.

This event is surprising, since the era of memecoins is long gone. Their peak was in 2019 and 2020, but since the fall of Bitcoin around that time, almost all of them have been forgotten.

For those who don’t know, Fartcoin has no intrinsic value. Instead, the memecoin derives its entire value from a vibrant community dedicated to sharing jokes and memes related to flatulence.

The value of Fartcoin is so high that it could almost enter the SP 500

Even so, no one expected the memecoin to surpass 500 million dollars in market capitalization.

To provide context, let’s consider the fact that Fartcoin is now more valuable than an astonishing 38 percent of all publicly traded U.S. companies.

Of course, according to historical precedents, the memecoin season is still in its infancy. In previous cryptocurrency bull cycles, Bitcoin usually took the initial lead, followed by Ethereum’s Ether, and then memecoins began to record dizzying gains, crowning the peak mania phase of the cycle.

Currently, however, Bitcoin is still in its leadership phase, which gives credibility to the hypothesis that the market will likely see many iterations of Fartcoin before the current cycle ends.

Let’s consider the fact that many altcoins are still quite far from their all-time highs recorded in the previous bullish cycle.

Interestingly, BlackRock has provided another bullish boost to Bitcoin today by formally recommending a 1 to 2 percent portfolio allocation to spot Bitcoin ETFs.

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Meanwhile, it is possible that Fartcoin will register additional gains. But do not expect those gains to last. With these cryptocurrencies, it is best to stay away… at least if you value not having high chances of going broke.

How to view and edit files without opening them: the magic of Quick Look

Managing our files efficiently is essential, especially in a world where every minute counts. On our Macs, we have a tool that completely transforms the way we interact with documents, images, videos, and more: Quick Look. With it, we can view and edit files without even opening them in the associated applications, a small resource that, once discovered, becomes indispensable. What is Quick Look and how does it work? Quick Look is a feature integrated into macOS that allows us to preview virtually any type of file in a matter of seconds. From PDF documents to images and videos, […]

Managing our files efficiently is essential, especially in a world where every minute counts. On our Macs, we have a tool that completely transforms the way we interact with documents, images, videos, and more: Quick Look. With it, we can view and edit files without even opening them in the associated applications, a small resource that, once discovered, becomes indispensable.

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What is Quick View and how it works

Quick Look is a built-in feature in macOS that allows us to preview almost any type of file in seconds. From PDF documents to images and videos, even compressed files. With just a tap, we can view the content of a file and decide what to do with it, all without leaving Finder or opening more applications.

Using Quick Look is extremely simple: we select a file in the Finder, the desktop, or even from an email, and press the space bar. Instantly, a window opens showing us the content of the file. If we need to view another file, we simply use the arrow keys to navigate between them —ideal for comparing documents or images—. Additionally, if we select multiple files, we can view them in a grid format, which is especially useful for photographs or graphic projects.

Quick Look is not only fast, but also adaptable. We can resize the window or even expand it to full screen, which gives us more space when working with files of greater detail. To exit the view, simply press the space bar again, and everything returns to normal.

How to Edit Files Directly from Quick Look

What makes Quick Look even more special is that it is not limited to previewing. We can perform basic edits directly from the same window, without needing to open any app. For example, when working with images or videos, Quick Look allows us to:

  • Rotate images and videos with a single click. If we need to rotate in the opposite direction, we hold down the Option key while clicking the button that Quick Look offers us.
  • Trim audio and video clips by selecting the part we want to keep. A pair of yellow handles allow us to adjust the start and end of the clip precisely, and we can preview the changes before saving them.

When it comes to documents, such as PDFs, the possibilities are not far behind. From Quick Look, we can add annotations, signatures, or even highlight the most important text. A way to review documents without the need to open heavy or complicated editors. When you stop viewing the document, the changes are simply saved.

And what if we want to share the file in question? From Quick Look, we have direct access to macOS sharing options, which includes sending files via email, AirDrop, or even uploading them to cloud services. All of this without leaving Finder.

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Quick Look is not just a useful feature —like these four keyboard shortcuts for the Mac that we should know or the Finder’s quick actions—, it is a feature that transforms how we manage our files. It allows us to interact with them more swiftly, which translates into a much more fluid and efficient daily routine. When working with multiple documents, the time lost opening and closing applications quickly adds up. Thanks to Quick Look, we can optimize that time, reduce distractions, and focus on what really matters.