A common vulnerability in online ecommerce sites is fraudulent manipulation of user profiles in order to boost the ratings of products in online recommender systems and overall reputation of the web site. This article – Unsupervised Retrieval of Attack Profiles in Collaborative Recommender Systems casts this problem as a problem of detecting anomalous structure in …
Read more »Like the warnings on cigarette packets – whistle blowing may be hazardous to your health. HBOS chief risk officer Paul Moore blew the whistle on the bank’s risk exposure and lost his job. Last week, the UK Treasury Select committee heard allegations from Moore ( who was sacked by Sir James Crosby in 2005) – …
Read more »Fraud has become a big issue in energy derivatives trading. A former Bank of Montreal (BMO) natural gas trader pled guilty in November 2008 to intentionally mismarking trades, resulting in over $800 million of fraud-related trading losses. The interesting part in the item on EmpireStateNews.Net was that that the natural gas trader pleaded guilty to …
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