* Sen. Sherrod Brown, D-Ohio, is urging the U.S. Department of Treasury to prohibit Equifax from doing contract work with the federal government, after the cybersecurity breach that potentially affected up to 145.5 million customers.
* Validus Holdings expects about $378.9 million in losses in the third-quarter due to hurricanes Harvey, Irma and Maria, as well as the Mexico City earthquake.
* American International Group expects to report third-quarter pretax catastrophe losses, net of reinsurance, of $2.9 billion to $3.1 billion.
* Catastrophe risk modelling firm Karen Clark & Co. estimates $500 million in industry losses for insurers and reinsurers due to Hurricane Nate's impact, Artemis reports.
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