Data Scientist at Apple, researcher at Precog@IIITD, and a former PhD student at IIIT-Delhi. Advised by Dr. Ponnurangam Kumaraguru ("PK"). My areas of interest are social media analytics, cyber crime, privacy and security in online social media, machine learning, deep learning, natural language processing, and data mining. I completed my Ph. D. in Computer Science in November, 2017 from IIIT-Delhi. Prior to Ph. D., I completed my Masters degree in Computer Science (specialization in Information Security) in 2012 from IIIT-Delhi. I got by Bachelors degree in Computer Science and Engineering in 2010 from Rajasthan Technical University, a state university in India. Geeky, enthusiast, opportunist, optimistic, and a die-hard Lamborghini fan.

Kaushal, R., Chandok, S., Jain P., Dewan, P., Gupta, N., and Kumaraguru, P.
Nudging Nemo: Helping Users Control Linkability across Social Networks.
9th International Conference on Social Informatics (SocInfo), 2017 (Short paper).
Author's version

Dewan, P., Bagroy, S., and Kumaraguru, P.
Hiding in Plain Sight: The Anatomy of Malicious Pages on Facebook.
Book chapter, Lecture Notes in Social Networks, Springer 2017 (To appear)
Author's version

Dewan, P., Suri, A., Bharadhwaj, V., Mithal, A., and Kumaraguru, P.
Towards Understanding Crisis Events On Online Social Networks Through Pictures.
IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM), 2017.
Acceptance rate: 19%
Author's version

Dewan, P., and Kumaraguru, P.
Facebook Inspector (FbI): Towards Automatic Real Time Detection of Malicious Content on Facebook.
Social Network Analysis and Mining Journal (SNAM), 2017. Volume 7, Issue 1.
Author's version
The final publication is available at link.springer.com

Dewan, P., Bagroy, S., and Kumaraguru, P.
Hiding in Plain Sight: Characterizing and Detecting Malicious Facebook Pages.
IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM), 2016 (Short paper)
Acceptance rate (Short papers + Full papers): 26%
Author's version

Dewan, P., and Kumaraguru, P.
Towards Automatic Real Time Identification of Malicious Posts on Facebook.
Thirteenth Annual Conference on Privacy, Security and Trust (PST), 2015
Author's version

Deshpande, P., Joshi, S., Dewan, P., Murthy, K., Mohania, M., Agrawal, S.
The Mask of ZoRRo: preventing information leakage from documents.
Knowledge and Information Systems Journal, 2014
Published version (PDF)

Dewan, P., Kashyap, A., and Kumaraguru, P.
Analyzing Social and Stylometric Features to Identify Spear phishing Emails.
APWG eCrime Research Symposium (eCRS), 2014
Author's version (PDF)

Mittal, S., Gupta, N., Dewan, P., Kumaraguru, P.
Pinned it! A large scale study of the Pinterest network.
1st ACM IKDD Conference on Data Sciences (CoDS), 2014
Acceptance rate: 15%
Author's version (PDF)

Dewan, P., Gupta, M., Goyal, K., and Kumaraguru, P.
MultiOSN: Realtime Monitoring of Real World Events on Multiple Online Social Media
IBM ICARE 2013
Acceptance rate: 26%
Author's version (PDF) | Poster (JPG)

Magalhães, T., Dewan, P., Kumaraguru, P., Melo-Minardi, R., and Almeida, V.
uTrack: Track Yourself! Monitoring Information on Online Social Media.
22nd International World Wide Web Conference (WWW) (2013)
Author's version (PDF) | Poster (PDF) | Slides (PDF)

Conway M., Dewan P., Kumaraguru P., McInerney L.
'White Pride Worldwide': A Meta- analysis of Stormfront.org
Internet, Politics, Policy 2012: Big Data, Big Challenges?, Oxford Internet Institute, University of Oxford.
Link

Dewan, P., and Kumaraguru, P.
The Anatomy of Malicious Facebook Pages.
Security and Privacy Symposium, IIIT Delhi, 2016

Dewan, P., Kashyap, A., and Kumaraguru, P.
Analyzing Social and Stylometric Features to Identify Spear phishing Emails.
Security and Privacy Symposium, IIIT Delhi, 2015
Author's version

Dewan, P., and Kumaraguru, P.
Facebook. Because studying events and spammers on Twitter is too mainstream.
Security and Privacy Symposium, IIT Kanpur, 2014
Author's version

Dewan, P., and Kumaraguru, P.
Spam Identification on Facebook during events
2nd ACM Conference on Online Social Networks (COSN), 2014
Author's version

Dewan, P., Sachdeva, N., Gupta, M., and Kumaraguru, P.
ChaMAILeon: Usable email sharing like never before!
Security and Privacy Symposium, IIT Kanpur, 2013

Dewan, P., and Kumaraguru, P.
Detecting Malicious Content on Facebook
Technical Report arXiv:1501.00802.

Dewan, P.
A Survey on Identification and Analysis of Poor Quality Content on Facebook.
Comprehensive Survey Report | Slides (PDF)

Dewan, P., and Kumaraguru, P.
It Doesn't Break Just on Twitter. Characterizing Facebook content During Real World Events.
Technical Report arXiv:1405.4820.

Mittal, S., Gupta, N., Dewan, P., and Kumaraguru, P.
The Pin-Bang Theory: Discovering the Pinterest World.
Technical Report arXiv:1307.4952v1.

Dewan, P., Gupta, M., Goyal, K., and Kumaraguru, P.
MultiOSN: Monitoring Multiple Online Social Networks During Real-World Events.
Technical report, Precog-TR-13-001.

Dewan, P., Sachdeva, N., Kumaraguru, P.
ChaMAILeon: Exploring the Usability of a Privacy Preserving Email Sharing System
Technical report arXiv:1306.0195

Dewan, P., Gupta, M., and Kumaraguru, P.
ChaMAILeon: Simplified Email Sharing Like Never Before.
Technical report IIITD-TR-2012-003

Technical report "Visual Themes and Sentiment on Social Networks to Aid First Responders During Crisis Events" featured in The Best of arXiv, by MIT Technology Review.

5 amazing projects and research ideas from top Indian Universities, featured research article. August 18, 2016. Digit Magazine

IIIT-D develops system that monitors, analyses real-world events online, news item. May 28, 2013. The Times of India

IIIT-D develops system that monitors, analyses real-world events online, news item. May, 28, 2013. Today.in

OntoX covered in Centre for International Studies newsletter, Dublin City University. May, 2012

Our paper "'White Pride Worldwide': A Meta-Analysis of Stormfront.org" features in Center for International Studies newsletter, Dublin City University. September, 2012