Showing posts with label Gmail. Show all posts
Showing posts with label Gmail. Show all posts

Friday, August 26, 2011

Online Account Security Enhancements.

A Security Checklist for Online Accounts

#1. I have enabled the “Always use HTTPS” setting for Facebook, Twitter, Gmail, Google and all the other online services that support secure HTTP. This is especially important when accessing Internet over a Wi-Fi network because without HTTPS, anyone (and not just skilled hackers) can capture your login details using Firesheep, a simple Firefox extension.
#2. I have a few Google Accounts and they all use 2-step verification now. That means if someone tries to log into my Google account from a different computer, they’ll have to type an additional code that is sent directly to my mobile phone as an SMS text message or over a voice call.
#3. The 2-step verification can also alert you to potential hacking activity. If I ever get an SMS (or a voice call) from Google with the verification code but without requesting one, it is an immediate hint that someone knows my password though they won’t be able to get in without entering the verification code.
#4. I have connected my mobile number with my Facebook account. This is extremely important because I get an instant SMS and an email alert whenever my Facebook account is accessed from a different computer or another mobile phone.
#5. I carefully reviewed third-party sites that have access to my online accounts and revoked access to all the unwanted apps that I no longer use. In case you wish to do the same for your accounts, here are the direct links for Facebook, Google and Twitter.
#6. I maintain two email addresses – one is public that is displayed on the blog while the other email address is known to a select few. Why?
6a. The public email address is associated with services like Twitter, YouTube, Facebook, Foursquare, LinkedIn, Flickr, Tumblr, Posterous, Skype and a couple of other social sites where I want people to find me if they have my email address in their address book.
6b. I use the other “secret” email address with services like Dropbox, Amazon, Google Apps, my bank, my hosting service, Apple iTunes, PayPal and few other places where account security is even more critical and where I am not looking to get social.
#7. If I am testing a new online service, I almost always use a disposable email address to create a test account with that service. Some online services reject disposable addresses to prevent fake registrations but the one I use goes through as it is only an alias (or nickname) of my main email address.
#8. I prefer using a virtual credit card with shopping sites that I am either using for the first time or where the fine print is too long and there’s a risk that I could be billed again if I don’t cancel the account. This also helps keep my credit card safe from relatively unknown sites.
#9. Once in a while, I do mock drill with my most important online accounts to test the various recovery options I would have in case I forget my password or if I lose access to my secondary email address or misplace my mobile phone.
#10. The last point - how do I remember and manage so many different passwords?
Some people prefer to use password managers which are very convenient but at this time, all I use is a simple 1-page document (see sample) to store information of all my online accounts and the corresponding passwords. This file is password-protected and I put it on Dropbox so the information is available on all my computers.
This may surprise some but I also have a hard copy of this file that family members can refer to in case I am travelling and they need urgent access to any of my online accounts. Also, since they would need my mobile phone to access my Gmail or Google account, I have included backup verification codes in the printed document itself – thus the Google account can be used without requiring the phone.
One more thing. If you have two email accounts, never ever set one emails as the secondary (or recovery) email address of the other. That’s because if one of your email accounts gets compromised, the hacker can easily take over the other account as well.

Thursday, August 25, 2011

Sharing Large files Over Internet.

A: Share Large Files over Email

The Gmail service cannot handle email attachments that are larger than 25 MB but the recently-revamped Hotmail service is a much better alternative as it lets you send email messages as large as 10 GB.
The maximum size of an individual file that you can attach to an Hotmail message is only 50 MB but you can use a file-splitting utility like HJ-Split to break a big file into smaller chunks and then attach them all to a single message. The recipient can then join these chunks to restore the original file and he can do without requiring external programs.

B: Share Large Files without Email

The downside with email attachments is obvious - most ISPs and web-based email programs (including Gmail) will reject incoming messages that have big attachments and therefore, if you are sending a bulky file via email, the recipients also have to be on Hotmail as well in order to receive that file.
One of the best options for sharing large files without email is Dropbox. Once you install the the Dropbox utility on your (Windows, Mac or Linux) desktop, you can upload files of virtually any size to the Internet - it’s only limited by the size of your Dropbox storage which is 2GB in the case of free accounts. Alternatively, if you don’t want to install Dropbox, you can upload files straight to the Dropbox website from your browser but the limit in this case is 300 MB per file.
You can even consider using Google Docs to share those big files over the Internet. Google Docs lets you upload files up to 250 MB in size and they can be in any format. You have 1 GB of free storage space for storing all the non-Office files on Google Docs but you can also buy more space for a reasonable fee.
Unlike FTP servers, services like Google Docs and Dropbox don’t support resumable downloads. That means if the connection breaks while the recipient is still trying to download your “huge” file, he or she will have to resume the download from scratch. That can be a deal-breaker for lot of people.
SkyDrive, part of the Windows Live family, can solve this problem in a way.
The service offers 25 GB of free online storage, with individual files limited to 50 MB. To upload a large file, split it into chunks of 50 MB each and then upload them all to a single folder on SkyDrive. The recipient can download the entire folder as a ZIP or, if he’s on a flaky connection, he can download files one by one and then join them all at his end.

C. Share Files without Registration

Finally, if you are looking for something quick and simple that doesn’t even require registration, talk to YouSendIt or WeTransfer (if the file size is really big). Just upload the files via the browser, enter the email address of the recipient and hit send. WeTransfer lets you send files up to 2 GB in size while the maximum allowed limit is 100 MB in the case of YouSendIt (free version).

Chart: Comparison of file sharing services

File Sharing - Size Limit