If any person, dishonestly, or fraudulently, does any act referred to in section 43, he shall be punishable with imprisonment for a term which may extend to three years or with fine which may extend to five lakh rupees or with both.
Explanation: For the purpose of this section,-
a) the word “dishonestly” shall have the meaning assigned to it in section 24 of the Indian Penal Code;
b) the word “fraudulently” shall have the meaning assigned to it in section 25 of the Indian Penal Code.
More information on Section 66 of Information Technology Act, 2000:
Judgement #1: A. Shankar vs State Rep.  – The petitioner had secured access unauthorisedly to the protected system of the Legal Advisor.
News #1: Mobile APP ‘Review Dede’ hacked into, Rs 10,500 vouchers stolen (30 July 2017)
Podium Systems registered Police complaint under Information Technology Act in May, when they discovered that codes of vouchers purchased by the company for its first product, the Review DeDe app, had been used illegally. The cyber-crime cell at Pune, after investigating for weeks, registered an FIR at local police station. The Vivek Rajole, the accused has been booked under sections 66 / 66D of the Information Technology Act and varius sections of Indian Penal Code (IPC) including section 420 for cheating and 380 for theft.
The Unique Identification Authority of India (UIDAI) has pressed for a criminal complaint against Qarth Technologies, an OLA promoted company and also it’s co-founder Abhinav Srivastava of developing a mobile application and obtaining details about the Indian Citizens enrolled with UIDAU for Aadhaar, without authentication. Srivastava has been slapped with a FIR under sections of this Aadhaar act that outlaws distribution and access of Aadhaar information, and segments of the Information Technology behave like Section 66 of Information Technology Act, which deals with hacking !
News #3: GoAir alleges ₹38 lakh loss due to misuse of staff IDs by it’s Travel partner (21 July 2017)
The complaint by GoAir states that Explore India Journeys duped the airline by not charging the booking, cancellation and modification charges on the tickets using the login IDs and passwords of a few employees who can make the changes. A case was registered under Section 66 of the Information Technology Act and various provisions of Indian Penal Code.
News #4: Teen held for creating girl’s fake FB profile (23 May 2017)
Mumbai police arrested an 18-year-old collegian for allegedly creating a minor’s fake account on a social networking site and posting lewd messages on it. Accused has been booked under Section 509 (word, gesture or act intended to insult the modesty of a woman) of the IPC along with Section 66 of the Information Technology Act.
News #5: Two arrested under Section 66, while dispute was regarding payment ? (15 Feb 2017)
A duo ran Softweb Solutions Inc, a Web solutions and hosting provider firm with a turnover of Rs 2 million per year for the last three years. The duo, whose company hosts and provides the Web space for www.go2nextjob.com, had a dispute over payment with the site’s owner, Manmohan Gupta.
They, thus, decided to block access to the site. They hung a board on the front page of the site that proclaimed, ‘This site is closed due to non-payment of bills,’ along with their address, email ID and telephone number.
In return, Gupta filed a case against them for ‘hacking’ into his site and charged that the two had illegally blocked access despite him paying the dues.
News #6: Digital Shoplifting: Four Hackers Arrested in South Delhi (15 Feb 2017)
M/s Voucha Gram India Pvt.Ltd, owner of Ecommerce Portal www.gyftr.com, made a Complaint with Hauz Khas Police Station against some hackers from different cities accusing them for IT Act / Theft / Cheating / Misappropriation / Criminal Conspiracy / Criminal Breach of Trust / Cyber Crime of Hacking / Spooning / Tampering with Computer source documents and the Web Site and extending the threats of dire consequences to employees.
News #7: Pune cyber crime: Retired Col, wife cheated of Rs 3.11 lakh (4 Dec 2016)
According to the First Information Report (FIR), the colonel received a call from a woman who identified herself as Nikita Sharma, and said she was calling from the credit card wing of a major public sector bank. She requested and received the details of his and wife’s credit cards.
The theft came to light when the army veteran and his wife started receiving messages about online purchases and money transfers done from their cards. He later approached Kondhwa police with complaint. The FIR has been registered under sections 419 and 420 (Cheating) of the Indian Penal Code and relevant sections of the Information Technology Act. Inspector (Crime) Varsharani Patil is probing the case further.