SLOTD: Schneier, Industry, And 100% Security

So Techdirt writes:

Last week, security expert Bruce Schneier caused a bit of a stir when he said that there shouldn't be a security industry. While his comment engendered a lot of debate, it really wasn't a particularly radical statement. As he's made clear in his latest Wired column, all he meant was that IT vendors should be building security directly into their products, rather than requiring customers to purchase security products and services separately.

...citing Bruce as reported at Silicon.COM:

"The fact this show even exists is a problem. You should not have to come to this show ever. [...] We shouldn't have to come and find a company to secure our email. Email should already be secure. We shouldn't have to buy from somebody to secure our network or servers. Our networks and servers should already be secure."

...and I think he is right, as I find Bruce generally is. My experience bears this out - I have friends who ask "What Anti-Virus Software / Malware Detector / Intrusion Detection System Should I Use?" - and in none of these cases do I actually have an answer for them.

Sometimes they must really wonder what I do for a living, if I'm a "security expert" and don't know what AV software to use.

It's true, however. Given what I use at home (Solaris, Mac, Linux, and an solitary and rarely booted XP system), plus the manner in which I connect to the Internet (NAT/firewall built in to my DSL router) and the fact that I understand the value of keeping security patches up to date, not running services/daemons unless they are necessary, and cycling WEP and login passwords occasionally, with all that in place I don't have to use any specialist security software at all.

Instead I use what tools I have available with my network hardware and software platforms - generally some form of Unix - making sure they're all properly deployed. Sometimes I get a hacker knocking on my door, I've certainly seen a few attempts in my logfiles, but it's not something I fret about since there's very little exposed to attack, and of the latter it's all generally well-maintained.

So why should I worry? Beats me. The Silicon.COM article also contains this quote from Graham Cluley at Sophos:

"I can't imagine there ever being a 100 per cent secure operating system because a vital component of programming that operating system is human."

Well yes, Gray, you're right, but one of the things you've left unstated is that there is no such absolute thing as 100% security.

Security is relative: 100% security means "100% Adequate" security, that the security features you've deployed are proportionate to the exposure you make in transacting with the rest of the network, plus mitigation of any risks you face in terms of availability ("I can't access my Gmail! Argh!") or physical security ("Someone stole my laptop!")

No, there won't ever be a 100% secure system, but people who care are currently able to get systems which are adequately "secure by default" and if they know how to use and maintain those systems properly then yes, there won't be a security industry any more.

- alec

Comments:

I couldn't agree more. In some ways, this problem extends to the appearance of dedicated security groups within IT organizations as they are driving the demand for this marketplace, often with no proof of ROI. In my work experience I constantly see one "magic bullet" security product after another mandated by policies driven by an internal security department with results including redundancy (implementing VPNs to encrypt data channels that are already encrypted) and waste (hardware constantly being upgraded to support laptop/desktop encryption to secure data that should never leave the datacenter). We have added complexity - more points of failure to debug in networked applications due to the VPN, increased exposure to data loss because whole disk encryption does not limit exposure to viruses/malware/spyware and encourages employees to store valuable data locally. Products like Citrix or Secure Global Desktop solve the problems in a smarter fashion - the data and the environment that that data operates in remain under the control of people who know how to maintain the systems properly and less time and money is wasted chasing the dream of a "secure" Windows client platfrom.

Posted by Chris on May 04, 2007 at 02:49 AM PDT #

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