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Showing posts with label SSL. Show all posts
Showing posts with label SSL. Show all posts

Sunday, November 03, 2013

ENCRYPTED E-MAILS @ DARK MAIL ALLIANCE

1.   How often we keep reading so much about privacy and IT security issues across the web and daily surf's!!!....but we only have more to believe that privacy with times to come will be a matter of past...be it your mobile with loads of applications inbuilt already or your exchange on yahoo or gmail etc..every one is trying to vie for your data in some form or the other...your sms..your mms...your contacts..your stored data on the SD card,your browsing history or your location at various times of the day etc etc.....every one wants all this to make your profile and then in the long run use all this to market or even blackmail you(who knows!!!!!)...future will buzz a lot with our past....

2.  In such times it is good to read about "Dark Mail Alliance". Extract from their website is produced below for general direction of purpose :

" To bring the world our unique end-to-end encrypted protocol and architecture that is the 'next-generation' of private and secure email. As founding partners of The , both Silent Circle and Lavabit will work to bring other members into the alliance, assist them in implementing the new protocol and jointly work to proliferate the worlds first end-to-end encrypted 'Email 3.0' throughout the world's email providers. Our goal is to open source the protocol and architecture and help others implement this new technology to address privacy concerns against surveillance and back door threats of any kind."

3.   Silent Circle’s team as mentioned in the extract is a unique and eclectic mix of world-renowned cryptographers, Silicon Valley software engineers, German VoIP engineers, Latvian system analysts and former US Navy SEALs & British Special Air Service (SAS) security experts....while Lavabit was an encrypted email service, founded in 2004, that suspended operations on August 8, 2013 after it was ordered to turn over its Secure Sockets Layer (SSL) private key to the US government.So the combo of these two majors can be a force to reckon with provided the policies and strategies do not bar them again in some manner...till then lets give a "good night" to privacy!!!

4.   More at http://darkmail.info/

Saturday, January 12, 2013

Malicious Shortened URLs : Rising Threat

1.     Internet today is all but a minefield of boogies,traps and malware.....every day so many threats are born....though most of them die but still a huge percent of them survive the security walls and become stronger by time as they are able to remain live and acvtive.In recent times shortened URLs have become popular amongst users (including me...:-) to conserve the typing space like in microblogging sites viz twitter etc.So typically a naive(???),prone user who submits his long URL to a site to get a shortened URL receives a second,specially coded shortened URL that redirects to the original URL.So here lies the weak hole that is most of the times exploitable by the attacker...because the actual destination URL is hidden in it....so going by the looks...there is nothing to worry...but it is the redirection that is a cause of worry...it may be right or may be redirecting to a malicious link....!!!!so when some one uses a free URL shortener ,he does not have control over that shortened link. And, should something happen to the provider of that URL shortener, then he risks redirecting ALL of shortened links elsewhere!!!

2.  We all know that clicking links is pretty tempting....so it is just a matter of one redirected malicious link click that makes the difference....so whats the solution????...actually companies like Facebook,Gmail, SBI, Paypal ,twitter etc are offering users the option of persistent SSL encryption and authentication across all the pages of their services including the login and all accessible pages.....but this does not stand good for all...for these sites also..it is optional to vide the settings for accessing....

Saturday, January 28, 2012

Security Design @ WebHosting

1.  At a time today when new websites are being hosted at quite a pace,proportional is the pace of hacking and defacing of these websites.Today you have a website maker in the market who may simply demand some Rs 500/ per page design and few more hundreds for hosting it...and we all are ready to do pay him....but at what price....is it simply the final handing over taking over of the password that closes the deal between you and the designer/hoster?....NO....I rate it equivalent to the toss....thereon the match begins.....just a matter of time depending on what all security parameters/variables/factors you took into consideration while designing it?

2.  Specially concerned with web sites who have E-Commerce and transactions or who deal with handling database of huge sizes which can be critical later on, if compromised any time.The following factors should be noted down and infact dealt with seriously to be kept on high priority while designing and final hosting :

- Password /Data Protection : You must have a sound password and methods to protect all the DATA in place.

- OS/Server hardening : You use a windows or a linux....rest assured you must always used a hardened OS/Server.

- OS Selection : Create and design on any OS...today you can launch it on web.A more vulnerable OS which has had a history of hacks and known exploits should be avoided.

- DDoS Protection : Shared hosting servers are vulnerable to attacks by hackers who carry out their work by uploading malware or otherwise malicious sites or code onto a server. These malware programs be introduced to a server through security vulnerabilities in a legitimate client’s site, and the malware is used for anything from stealing credit card data to launching a DDoS, or Distributed Denial of Service attack.So think before you fire up your site.

- Spam filters : No explanations

- Firewalls : Must...so many types in market : Decide like what you r going to select a HARDWARE FIREWALL or a SOFTWARE FIREWALL.The selection is of crucial significance in deciding the overall security rating!!!

- BACKUP : You must have a way to keep backing up all your data.Some ploicy should be designed of what happens if owing to some kind of reason you loose all ur data....mirror or offline backup!!!!anything...but keep in mind.

- SSL enabled server : MUST

- SFTP: Though FTP is not that bad....but when SFTP is there....y bank on a relatively lower secured protocol......


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