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Subject: IP: Re: "The Great Hack Attack"
>Date: Sat, 10 Mar 2001 10:17:06 -0800 >From: Mark Seiden <mis@seiden.com> >To: dave@farber.net >Subject: Re: [dave@farber.net: IP: "The Great Hack Attack"] >User-Agent: Mutt/1.2.5i > >well, i read the entire article, and i'm not sure he really gets it. >(this has been my area of work for > the last 5 years.) > >yes, the current state of things seems miserable, and education about >applying patches would mitigate some of the problems, but that's >trying to win in an ultimately losing endgame. > >writing tools to look for specific vulnerabilities is useful, but >how does that solve the bigger problems? > >this particular problem is a bit deeper than unapplied patches: those >ecommerce sites apparently all run microsoft software on machines >exposed to the internet. > >monocultures are not that good at surviving in the long term, compared >with biologically diverse systems. > >large programs full of features have always been full of bugs, and >suitably motivated bad guys will find the bugs before they are fixed, >and exploit them. (it isn't just microsoft IIS -- look at the history >of sendmail or bind. but at least you can *find* the bugs in open source >software, if you take the time to look, or pay someone to do so.) > >neither software developers (working for vendors) nor merchants >understand the principles of good software design (for security, for >usability, for reliability). (in their defense, "software design" is >taught neither in design schools, nor in computer science departments. >those interested in this subject might visit the association for software >design, http://hci.stanford.edu/asd/) > >these e-businesses are in too much of a hurry to use good security >design practices, e.g. defense in depth, multi-tier design, >protocol-aware firewalls, database design that treats readers and >writers differently and limits database operations to specific stored >procedures, and using crypto correctly to protect sensitive or >private information. > >i'll bet most of them don't have a security policy or any mechanisms >for enforcing one. > >i'll bet many of them outsource their network, their hosts, or >operations to third party companies, which makes they think security >is "not their problem". (this makes their insider problem much >bigger, since now it emcompasses not only their employee, but their >vendor's employees, and all the visitors to their colocation >facility!) > >i'll bet few of them ever had a third party expert review of their >architectures and implementations, even a one-day checkup, or if >they did it was a one-time event. > > (in the last several years, several companies have approached us > (www.securify.com) to do such reviews only because they were > about to go IPO, and were worried that they'd be hit by a denial > of service attack on their first day out!) > >it's clueless tastelessness that's causing them to be exposed in the first >place. > >bruce schneier's recent book, "secrets and lies" goes into some of these >areas at much greater depth. > >the other big problem: the credit card as a basic concept. i won't >get started here, but i believe the card associations are >fundamentally at fault for not going faster and doing better at this. > >the card associations fine merchants for excessive chargebacks due >to fraud. they should also fine merchants for losing databases >of credit card numbers due to negligence, since there are real costs >to both the card issuers and the cardholders every time this happens. > >here's another upcoming BIG problem: > >credit cards all have a second factor authenticator, variously named >the cvc2 (or cid or cvv2) (it's the 4 digit number which is only >printed on the signature panel, and not embossed on the card or on the >magstripe) and many merchants are insiting on the numbers when doing >charges. (possession of the number proves presence of the physical >card, at one time, anyway...) > >i hope they're not storing those numbers in their insecure databases, >since when their databases are stolen (by insiders or outsiders) >they're completely devaluing them for the rest of the world. (to them >it's just another number, and the computing imperative seems to still >be "if you've got it, store it or log it".) > > > > > ----- Forwarded message from David Farber <dave@farber.net> ----- > > > > Subject: IP: "The Great Hack Attack" >... > > > > > >http://www.arstechnica.com/wankerdesk/01q1/greathack-1.html > > > > > >The Great Hack Attack > > >Or why the weakest link in security is always human neglect > > > by Arian Evans > > > > > > (Or, why Ars thinks you should be distressed about the state of > security in > > >e-commerce right now) > > > > > >Well it finally happened. The Big One. A coordinated hacking attempted on > > >over 40 companies in the United States, and an unknown total world-wide. > > >Industry doomsayers have been predicting this for years. Security > consulting > > >firms have been holding this over our head for years. Security product > firms > > >have been spending more time slinging dirt at each other, and patting > > >themselves on the back, than dealing with the potential for a coordinated > > >attack of this caliber. (Secret Clue: these attacks aren't about lack of > > >*super-high-tech* security products. It's about education; something the > > >majority of security product vendors give lip service too, while > focusing on > > >hype.) > >-- >mark seiden, cissp mis@seiden.com, 1-(650) 592 8559 (voice) Pacific Time Zone >see www.securify.com for more details. For archives see: http://www.interesting-people.org/
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