Your Phone Learns From You Even When You Say Nothing

Your Phone Learns From You Even When You Say Nothing

We picture tracking as somebody reading what we write. So we watch our words, and feel careful. The truth is that your silence is just as readable. What can my habits give away? When you are online and when you are asleep. Which contacts get an instant reply and which wait until evening. Who you โ€ฆ

How a Call Log Can Reveal a Diagnosis

How a Call Log Can Reveal a Diagnosis

Think about a single morning of phone calls. Not the words in them, only the numbers dialled. That short list can say something you have not told a soul. What do four calls look like from outside? The first call goes to an oncology clinic. The second goes to your partner, and it is longer โ€ฆ

If an App Is Free, How Does It Make Money?

If an App Is Free, How Does It Make Money?

We download free apps without a second thought. Free feels like a gift, and gifts do not need examining. Then you notice the company behind it is worth billions. Something does not add up. What is the question I should be asking? Ask it every single time: how does this make money? Servers cost money, โ€ฆ

Meta Has a File on You Even If You Never Signed Up

Meta Has a File on You Even If You Never Signed Up

You deleted Facebook years ago. You never touched Instagram either. So Meta has nothing on you, right? Sadly, that is not how it works. How can they have my details if I never signed up? The moment a friend lets an app "find contacts", your details leave their phone. Your name, your number and your โ€ฆ

How Your Phone Maps Your Home, Work and Friends

How Your Phone Maps Your Home, Work and Friends

Your phone does not need to follow you around with a map open. It only needs to notice where it sits still. What does my phone's location really give away? Where your phone rests every night is your home. Where it rests from nine to five is your work. That is your address and your โ€ฆ

Same Encryption Does Not Mean Same Privacy

Same Encryption Does Not Mean Same Privacy

Somebody always says it in the group chat. Signal and WhatsApp use the same encryption. So they must be equally private. It is a fair thing to assume. The answer is not in the messages at all. Are the messages themselves really the same? Both apps scramble your messages end to end. That means only โ€ฆ

What a 50-Person Group Chat Gives Away About You

What a 50-Person Group Chat Gives Away About You

Somebody added you to a group with fifty people in it. You joined for the memes and the forwards. You never thought about what else you were handing over. What does a big group chat expose? Every number in that group is visible to everyone in that group. That includes people you have never met โ€ฆ

Your Child Has a Profile Before They Can Consent

Your Child Has a Profile Before They Can Consent

Your child has never opened an account. They are already in the system anyway. How does a child get profiled so early? It starts with the birth announcement in a family group chat. Then the photos, the name, the birthday, the school. Then the day their own number appears in other people's address books. Every โ€ฆ

Why 'I Have Nothing to Hide' Misses the Point

Why 'I Have Nothing to Hide' Misses the Point

Someone says it in every conversation about privacy. "I have nothing to hide." It sounds perfectly reasonable, and it is the weakest argument in the room. If I'm not doing anything wrong, why does it matter? You still close the door when you change your clothes. Not because changing clothes is a crime. Because some โ€ฆ

A List of Call Times Can Tell Your Whole Story

A List of Call Times Can Tell Your Whole Story

"They can't read my messages, so I'm fine." Here is the problem with that. They do not need to. What is metadata in plain English? Metadata is the record of who you contacted, when, and for how long. Not one word of what you actually said. Just numbers, times and durations, sitting in a tidy โ€ฆ