Google's Security Checkup is a great way to verify the security of your account. This is great if you suspect unusual activity on your account, but it's also a good idea to do periodically as a preventative measure.
Every time Charles tries to open Gmail on his Google Nexus, it wants him to sign in. He's suspicious that someone may have hacked his account. Leo says that there's a lot of reasons to be advised of that, but it's always wise to run Google's Security Checkup just to be safe. It'll tell him what devices are connected to his account and also input a second factor authentication warning.
David tethers his computer through his mobile device, but he's wondering if it's secure. Leo says it's probably more secure because cell phones are encrypted now. Using the Wi-Fi through his phone is a different matter, if he's at a public hotspot. At that point, his traffic is out in the clear and easily grabbed. If he's going to use a hotspot, Leo advises using the Tiny Hardware Firewall and a VPN. The Tiny Hardware Firewall is like a router that then connects to his phone.
There are a lot of ways that bad actors online can compromise your computer. As their techniques become more sophisticated, it becomes more difficult to know whether or not your system has been compromised. There are some signs to look for, however, to tell if your computer is affected by malware.
You can always scan your computer with antivirus software. Microsoft includes its own antivirus utility as part of Windows 8 and above. You can also use the Malicious Software Removal Tool by pressing the Windows Key + R, typing in "MRT," and pressing enter.
Ransomware has always been a terrible plague of the internet, where bad guys inject software into your computer through phishing emails. They usually trick you by saying it's from your bank, the IRS, or even your boss asking you to open something. When you do that, it's an application that runs and scrambles all of your data and asks you to give them money to get the data back.
Bret has Windows 10 and uses Windows Defender, but it keeps telling him he's unprotected -- even if he's just run a scan. Leo says there's a little red flag in the task menu, and if he opens that up, it will tell him what's unprotected. Bret says it's just notifications that keep coming up, and Leo says he can just turn those notifications off. Leo suggests looking at the screen that tells him what's unprotected. If he doesn't have protection updates turned on, he may want to do that. If he wants to be as safe as possible, he should turn all that stuff on.
Pwn2Own is an annual competition held at CanSacWest in Canada. Prizes are awarded to the hackers who can most quickly hack various operating systems and programs. This year a million dollars in prizes will be awarded, meaning it attracts the best hackers in the world. The money awarded is directly related to the difficulty in hacking the target. The most money goes to anyone who can hack an Apache web server.
A recent study has found that the greatest threat to our critical infrastructure is squirrels. Not hackers, not enemy states, not organizations, but squirrels. Small animals have been responsible for more than 1,700 power cuts affecting 5 million people.
Many publications including The Guardian reported that the messaging app WhatsApp was insecure and hackable. The creator of that encryption protocol, Moxie Marlinspike from Open Whisper Systems, posted on his blog that this was incorrect. Now a large number of security professionals have written an open letter to The Guardian asking them to retract the story. There is no back door in WhatsApp, and the article was wrong. It was written in a sensational way to drive traffic.