Articles in Category: Security

Moleskin notebook with notes.

No, Don’t Write Down Passwords

The world’s largest magazine dispensed some bad tech advice. Here’s why I so strongly disagree.

Malware

Do I Need More Than One Anti-malware Tool?

It’s tempting to think more is better when it comes to security software. In reality, too many can cause trouble.

Extracting a Password

Is It Really That Easy to Get Someone’s Password?

We’ll look at some ways that someone else could access your account — or at least look like they have.

Windows Remote Desktop setting

Does Turning Off Remote Access Keep Me Safer?

Turning off remote desktop is incrementally safer, but it is a very small piece of a much larger puzzle.

Download Button

Is It Safe to Download from Download Sites?

Download sites are just too risky these days. Don’t use them unless there is no way to avoid them, and even then, be very careful in your selections.

PuTTYgen

How Do I Create and Use Public Keys with SSH?

SSH and SFTP Public Key Authentication requires you to create a public/private key pair. We’ll look at how to create and then use those keys.

One kind of dictionary.

What’s a Dictionary Attack?

A dictionary attack is a common brute-force way of achieving a hacker’s goal. The goal of a dictionary attack could range from compromising your system to sending spam.

a passphrase as good as a password?

How Can Four Random Words Possibly Be More Secure Than 16 Random Characters?

Passphrases are just as secure as passwords — perhaps even more so — and are easier to remember if needed.

Privacy?

Every Application Adds Risk

Everything you download adds risk. Be safer using my three guidelines.

Asymmetric Encryption concept

What Is Public Key Cryptography?

Public key encryption is the workhorse of security online. I’ll review just what it is and how it’s used at a high level.

YubiKey

How Does a Hardware Security Key Like YubiKey Work?

Hardware security keys like YubiKey provide an extra-secure level of two-factor authentication.

Delete Button

Can’t I Just Delete My Hacked Account?

Deleting an account you don’t have access to is kind of the same as deleting an account you don’t own.

Privacy Settings

Privacy Begins with the Operating System

Your operating system sees everything you do—and that means it holds the keys to your privacy. I’ll look at how much trust you place in Windows, Mac, Linux, or mobile systems, why that matters, and what steps you can take to protect yourself wisely.

LastPass?

Can I Still Use LastPass Safely?

Selecting another password manager is now the common recommendation. I’ll review what you can do if you elect to keep using LastPass.

Charging Station

Is “Juice Jacking” Real?

The FBI released a warning against “juice jacking”, but is it really something you need to worry about?

Hacked!

My Computer’s Been Compromised. What Should I Do?

The news is grim if someone’s broken into your computer, but there are steps to take to prevent it from happening again.

AI generated robot at a keyboard.

Will AI Crack Your Passwords?

We’re seeing AI associated with many things. Cracking your passwords is now on the list.

Credit Cards

How Do I Prevent Credit Card Theft?

There are some practices to help you avoid having your credit card compromised, but most card theft is out of your control.

Malware

Can I Check for Malware before Downloading Something?

Files cannot be checked for viruses before being downloaded, but there are precautions you can and should take.

Dominos

If Someone Gets Into My Gmail Account, Can They Get Into Others?

Like a row of dominos, gaining access to one account can lead to others being compromised.

Facial recognition, conceptual.

Are Facial Recognition and Fingerprint ID Safe?

Facial recognition and fingerprint ID are quick, convenient approaches to signing into or unlocking your devices. But are they safe enough?

Encryption, conceptual

What Encryption Software Do You Recommend?

There are many different tools for encryption. The right one depends on what you’re attempting to accomplish.

Virus Detected!

Where Do Viruses Come From?

Email viruses come from many sources, and it’s not easy to trace them.

Brute Force

How Can a Hacker Try All Possible Passwords If Systems Block Failed Login Attempts?

Some hackers go for the low-hanging fruit and try the most common passwords, but there is one scenario where brute force works very well.

1password.com homepage.

Setting Up 1Password

How to get started with 1Password and the most important action to take.

Internet Security

Internet Safety: 7 Steps to Staying Safe Online

Staying safe online doesn’t have to be overwhelming. I’ll show you seven practical steps anyone can follow to protect themselves from malware, scams, hackers, and everyday digital dangers.

Oh, LastPass...

What to Do About the LastPass Breach

The most recent LastPass security incident has many people concerned.

My Google Activity

How Do I Delete Google Search History?

Deleting your search history can seem simple, but there are complications worth knowing about if you need to be thorough.

Houses sharing Wi-Fi

Can My Neighbor View My Internet If I Use Their Wireless?

Using any shared internet means other users on the service might be able to see what you are doing. Extra security steps may be necessary.

LastPass 2FA Feature. (Screenshot: askleo.com)

Should I Use My Password Vault for Two-Factor Authentication As Well?

A new feature in some password vaults has us thinking about security implications. Bottom line: use two-factor authentication.

Authy. Part of the solution. (Screenshot: askleo.com)

A Lost-Second-Factor Tale of Woe and How to Avoid Your Own

A tech journalist lost his phone and encountered issues recovering a two-factor-protected account. We can all learn from his experience.

Big Brother is Watching You!

What Should I Assume About Workplace Technology Monitoring?

Many employers can and do monitor the technological activity of their employees. Here’s what you need to consider doing.

A padlocked folder.

How to Back Up Encrypted Data

Encrypting your data is important for security, but it also adds risk that’s easy to overlook when backing up.

Computer Spy

They Set Up My Computer and Now My Ex Is Spying on Me. What Can I Do?

Trust is tricky when it comes to computers. When you add relationships to the mix, things quickly get complicated.

Bitlocker Protected External Drive

How Should I Password-Protect an External Hard Drive?

You want more than a password; you want encryption. Encrypting an external drive can be done with the right software.

Tools

How Do I Pick the Right Tools to Protect Windows?

There are many software programs that protect your system. I’ll review how I make my decisions and give you my advice.

Digital Fingerprint (Concept)

What is a Digital Fingerprint?

Digital fingerprints are another way that websites might track you, should they want to. What can you do? Should you be worried?

What's that on my mobile?

What Is Smishing?

Smishing is simply text-messaging spam. Learn to recognize and respond appropriately to it.

End to End Encryption

What is End-to-End Encryption?

If you’re sharing private or sensitive information, end-to-end encryption is an important term you need to understand.

Cookies?

Should I Clear Cookies Before I Travel?

Clearing cookies is an annoyance, but it protects your online accounts in case your machine is stolen.

Travel

Preparing Your Technology for Travel Abroad

Travel is exciting, but be sure to plan ahead for your technology to avoid things going wrong.

LastPass?

What You Need To Do About the LastPass Hack

A portion of LastPass was breached. Here’s why it’s not a disaster, and why I’m not leaving LastPass.

Distracted by Phishing

The Biggest Risk to Your Security

The biggest risk to your security might just be you. Learn why and what to do.

Scam

How Can I Protect Myself From Scams?

Scams are everywhere, it seems. I’ll cover some common ones, and share the single most important rule to protect youself.

Security Breach!

Can a Data Breach Expose Multiple Accounts?

Data breaches rarely expose multiple accounts. There are rare scenarios where multiple accounts might still be at risk, though.

Servers

6 Reasons There Are Still So Many Security Breaches

When you think about the complexity of today’s systems, it’s kind of amazing that we don’t have more breaches.

Power, Day & Night

If I Leave My Computer Always On, Am I More Likely to Be Hacked?

Leaving your computer on 24 hours a day rarely increases risk significantly, as long as you follow a couple of simple guidelines.

Login

How Can I Delete an Old Account If I Can’t Log In?

If you’ve lost your password, there may be recovery steps. If you’ve also lost your email address, recovery becomes significantly more difficult.

LastPass Password Manager

LastPass Password Manager and Vault

One of the challenges with current online safety advice is keeping track of multiple different secure passwords. LastPass not only does that, but does it securely across multiple devices.

Locked Computer

Lock Your Computer When You Walk Away

If your device is not physically secure, neither the machine nor your data is.