Michael Horowitz

Michael Horowitz wrote his first computer program in 1973 and has been a computer nerd ever since. He spent 20 years working in an IBM mainframe environment as both an application developer and a DB2 DBA. He then spent a few years working in the Research and Development group of a large Wall Street firm. He has also done technical writing and teaching. He is an independent consultant who has long been focused on Defensive Computing. His personal site is michaelhorowitz.com. This is a weblog of Michael Horowitz. The opinions expressed here are those of Michael Horowitz and may not represent those of Computerworld.


An experiment with a secure web browser fails

Chromebooks offer great security and they can be remotely controlled with Chrome Remote Desktop. Sounds great, but my experience in the trenches was sub-optimal.

A handy tip about updating Flash in the Chrome browser

If Chrome is not installing the latest version of the Flash Player, this tip shows how to force an update on Windows and OS X.

More Adobe mistakes with Flash

Adobe's Flash mistakes are not limited to software bugs, their documentation is wrong too.

A curious case with a VPN

A curious case with a VPN

VPNs offer privacy, what's wrong with that? I stumbled across the downside to pretending to be somewhere else.

Blocking Windows 10 with Never10

Steve Gibson's new, free Never10 utility is the fourth generation of software to block Windows 10.

Router security done wrong

Router security done wrong

Since it sits between all your devices and the Internet, securing a router is important. As with everything else, the Internet is chock full of advice, much of it questionable. Here, I question security advice from the Federal Trade...

Poor Wi-Fi security -- my visit to the dentist

Poor Wi-Fi security -- my visit to the dentist

The sad state of Wi-Fi security in a dentists office.

Defending a network from the NSA

Defending a network from the NSA

In a recent security conference, the head of the TAO division of the NSA offered advice on making his job harder. Their biggest asset is competence and persistence, rather than zero day vulnerabilities.

Defending yourself from Amazon.com

Defending yourself from Amazon.com

Due to long-standing security practices at Amazon, the email address on file for an Amazon.com account should never be used anywhere else for anything.

Sub-optimal computer advice from the New York Times

Small businesses are hit by ransomware. The New York Times says they should increase their computer security. I say this misses the real problem: backup, backup, backup.

Flash has been updated again. Seriously. Really. No joke.

On December 28th Adobe released a new version of the Flash Player with 19 bug fixes. It seems they left one out as yet another Flash update was made available on New Years Day.

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