Security concerns associated with cloud computing will always be present as implementations continue to rise and grow. Even though we’ve come a long way with cloud assisted services and applications, there are still some concerns and issues to overcome. And security is on top of them. Here we have listed top 8 malicious data breaches in 2015. It is sad to see that no enterprise, big or small, is protected against the will of cybercriminals.

1. 8 Nastiest Data Breaches in 2015

2. Premera Cyber Attack: Approx 13 Million
Premera members were affected. The
information exposed includes social security
numbers, date of birth, addresses and some
bank account numbers.

3. Kreditech 's insider breach: The data breach that came to
light after malicious hackers posted thousands of
applicants’ personal and financial records online.The site
announced that a group of hackers calling itself “A4″ put
the information online.

4. Amazon's Twitch Hacked: Various kinds of data was
compromised, including credit card information, in
particular card type, a truncated card number and the
expiration date. Twitch said all user passwords were to
be reset .

5. LifeWise data breach: LifeWise has said 250,000
Oregonians’ personal information was exposed in
the attack. The type of data exposed include
name, birth dates, social security numbers,
mailing and email addresses, bank account
information and phone numbers.

6. Chick-fil-A credit card breach: Chick-fil-A which
operates restaurants in 1,850 locations over 41
states and D.C. confirmed a credit card breach.
Nearly 9,000 customer cards were affected, more
than the total number of cards impacted in the
Target breach.

7. Morgan Stanley insider theft: Morgan Stanley fired
an employee who stole the account names, numbers
and transaction data on 350,000 clients; the insider
crook’s plan was allegedly to sell customers’ data.

8. Bitstamp hacked: Slovenia-based Bitstamp
warned customers not to attempt bitcoin
deposits to previously-issued bitcoin
address as those deposits “cannot be
honored", following a cyberattack that
cause loss of 650,000 bitcoins.

9. Anthem Inc. BREACH: As many as 80 million
customers of the nation's second-largest
health insurance company, Anthem Inc., have
had their account information stolen when a
sophisticated external cyber attack hit
Anthem's computer system.