A SECURITY WARNING
….YOUR EMAIL MAY BE HACKED : PRECAUTIONS
FOR PREVENTION
In this article, I just tried to briefly describe few common examples recently observed , with ONLY a little bit of technical information
regarding – how emails are being hacked, symptoms, what to do in case your
account is hacked and precautionary measures to protect yourself. This is not a comprehensive discussion, but
covers some of the common issues and remedies. The following screenshots are from the emails
spammed my mailbox. My antivirus helped me to evade the attacks ( I personally use Bitdefender ; see discussion below- point 2 of the section ''Other Important Information").
A new malware spreading through
emails –
MANY VARIETIES…. NEVER EVER CLICK THESE LINKS SHOWN BELOW….THE
HACKER WILL STEAL YOUR ACCOUNT…ALMOST IMMEDIATELY.
(example one and two are the most virulent forms from a hacker. third could be a spoofer- see below).
One looks
like the email provider telling that you have some pending emails and to
retrieve them you have to click a link : the link takes us to a malware which
hacks our emails and personal data- be cautious..!
Second :
You will be told by hacker (looks like official email
provider) that you have only some space
left In your mailbox and you need to upgrade.
Third :
You will get a mail from your friends
that they need to share a link. The senders actually do not know that they are
sending these …! Don't misunderstand them. sometimes, an attachment will contain a virus.
NEVER EVER CLICK THESE
LINKS….THE HACKER WILL STEAL YOUR ACCOUNT…ALMOST IMMEDIATELY.
If you are lucky enough to have an updated antivirus, it
might show the following message :
What happens next if you accidentally click the links :
Your email will be hacked immediately. And soon, some of
your friends will get a message that you’ve
been stuck somewhere in a remote country
when you went for a conference. If
any of the recipients respond, a series of messages follow that will hack the email or
bank accounts of the victim (the unfortunate recipient).
There is one more variant : instead of being hacked, some of
the hackers use ‘spoofing’, i.e., Mail is being sent from somewhere else
with your address being forged onto its "From:"
line.
Many times, we do get spam , with ads of Viagra, watches, cosmetics or condoms, with from address
stating the names of known. The hacker sends emails from your email id to
others. While the spoofer uses your email id to be shown, though the mail is
sent from somewhere. If your email is hacked, it is an immediate danger while,
the spoofers eventually compromise your
security by sending links with adware and malware.
IMMEDATE STEPS IN CASE
YOUR ACCOUNT IS HACKED :
If you could still access your email
account :
1.
Change the password immediately- choose a
password that is difficult to guess (using the name of your spouse, date of birth etc makes it easy for guess and
makes your account prone for hacking); choose to add few numbers also to be
included in the password.
2.
Keep your retrieval information (like security
questions etc) updated. Nowadays, email
providers also use OTP (one time password) to be sent to your mobile. So, register your mobile in your
profile.
If you could not access your email
account : it is possible that the hacker might have changed the password.
1.
Reclaim
your account by using, “Forgot password” option. You need to answer the
security questions or using a backup
email account. These options vary from and depend on the individual email providers.
ARE YOU SAFE AFTER
CHANING THE PASSWORD ? : NOT COMPLETELY
If your system is infected with a spyware/malware/virus etc. , even your new
passwords will leak to the hacker. You have to scan your system using a good,
updated antivirus.
WHAT MAKES YOU PRONE
FOR HACKING ?
Using the passwords that are easy go guess, sharing the
passwords with others, clicking on the links in the email spam (as shown
above), using the same passwords for several sites, using easy security
questions (like mother’s maiden name etc.)..all these will make you prone for
hacker attacks.
In addition, if your computer is installed with several free
programmes, however legitimate they may be, will sure to attract some adware. That
eventually brings some malware too.
In some cases, children might be playing some online games,
and in doing so, they madly click on any link that appeals to them. Some hidden
links will install spyware in your computer, which will be activated later.
Sometimes, watching the porn sites might
infect your computer so badly
that your passwords and credit card information etc will all be stolen in one go.
WHAT PRECAUTIONS TO
BE TAKEN :
·
SETTING THE PASSWORD :
1.
Use a password that is difficult to guess, with a
combinations of letters and numericles.
2.
Keep changing the passwords often.
3.
Never share your passwords.
4.
Use different passwords for different sites.
5.
Keep your
security information updated (security questions, back up email, mobile
phone number etc) and registered with your profile.
·
CARE FOR USING THE SYSTEM/INTERNET
:
1.
Never try to open your emails in shared
computers/ public computers/ public wifi like air ports, hotels, shopping malls
etc. : this makes you more vulnerable.
2.
Never click
on any links in spam .
3.
Never respond to emails asking you to
update your login Information/upgrade
your account etc.
4.
Never enter your email id and password in any sites other than the website which you
regularly check email. See the address bar carefully before you actually type in
the info. – some sites will appear as the original sites (email provides,
online bank services etc). but if you check the address carefully, you can avoid being mislead.
·
OTHER IMPORTANT INFORMATION :
1.
UPDATE YOUR BROWSERS : MOZILLA
FIREFOX AND GOOGLE CHROME are
the popular and widely accepted ones. internet explorer is inbuilt with windows.
But, unless you have the original and legitimate operating system the security
flaws will not be patched.
2.
UPDATE YOUR ANTIVIRUS : ALWAYS
USE A GOOD ANTIVIRUS PROGRAMME . UPDATE
IT REGULARLY. Many antivirus programmes update themselves
automatically if you are connected to the internet. Among the free programmes, Avast, Avira and
AVG are good and popular ones. Some reviews say AVG is more bloated and may not clean the antivirus completely.
I personally feel Avast or Avira are better, though some amount
of false positives may be seen with
them. Among the paid versions, Bit defender or Kaspersky are the best ones.
They are not very costly. One year subscription costs between Rs. 600-1000. NEVER USE CRACKED OR PIRATED
ANTIVIRUS. IT IS GIVING KEYS TO A
WATCHMAN WHO LATER WILL GIVE THE KEYS TO A THIEF. USE ALWAYS A LEGITIMATE
SUBSCRIPTION, PAID OR FREE. They will also protect you against the autorun viruses that spread through pendrives. Malware
bytes is another good programme. But , don’t install two antivirus
programmes simultaneously in the system.
It will crash the system.
3.
BEWARE OF FAKE SECURITY MESSAGES
: SOMETIMES YOUR SYSTEM
STARTS SHOWING MESSAGES LIKE : YOU NEED TO INSTALL A SECURITY SOFTWARE ETC. DO NOT BE DUPED INTO
SUCH FAKE ANTIVIRUS. SEARCH GOOGLE FOR THE
WEBSITE OF ORIGINAL ANTIVIRUS PROVIDER. DOWNLOAD FROM THEIR SITE ONLY. The fake
antivirus pops up and asks you to install . the moment you install the fake
antivirus, your system slows down, several web pages automatically popping up
and eventually and your browsers start behaving strangely. Removing them will be
very difficult.
4.
Use a
system cleaner like, Ccleaner. Use it
regularly to remove temporary files and cookies.
5.
Do not install
freeware, without verifying its legitimacy and deciding its need. Follow the installation steps carefully. Several
software download and install some other software llike browser toolbars , antivirus
programmes etc also, if you do not
carefully look at the check boxes as the
installation progresses.
6.
Do not visit porn sites or online gaming sites,
unless you are prepared to accept the risks hidden in them.
7. Use adblockers and popup blockers available
in chrome or firefox.
8. Never use
public internet places to access
your emails or bank accounts.
9.
Never download and open the
email attachments unless you are sure of what they will be containing.
10.
Delete spam mails. Do not open
any links from them.
11.
No email provider will ask your passwords
(except while logging in for the first time) or credit card details. Be
cautions.
12.
Keep a backup of your address book. This helps
in case you can not access your old mail and create a new mail id :-)
Please share your views, ideas and experiences in the form of comments below.
News Item in Deccan Chronicle today (14-12-2014) :
ReplyDeleteCyber crooks target freshers hunting jobs
DC | K.K. Abdul Rahoof | December 14, 2014, 01.12 am IST
http://www.deccanchronicle.com/141214/nation-crime/article/cyber-crooks-target-freshers-hunting-jobs
" Cyber criminals who target job hunters now collect contact details of freshers from job websites and offer them jobs. They sent emails to the victims from IDs that is identical to an MNC using email spoofing. They cheat them by levying all kinds of charges and finally send them a fake appointment letter."