In today’s Bulldog wrapup of technology and life science news:

  • Sprint is cutting jobs and closing six call centers
  • Another security problem for Lenovo
  • Investor pressure mounts for change at GSK
  • Arista countersues Cisco

The details:

  • Sprint cutting 2,500 and closing call centers to cut costs

Cellphone company Sprint is eliminating more jobs as it seeks to cut costs and turn around its business.

Sprint spokesman Dave Tovar says the country’s No. 4 wireless service provider has cut about 2,500 jobs since last fall, or about 8 percent of its workforce. Last week, it notified employees at six customer service centers around the country that it would be closing those locations or reducing the staff there.

The latest round of layoffs follows 2,000 job cuts announced in November 2014.

Shares of the Overland Park, Kansas-based company are down about 39 percent in the past 12 months. The stock dropped 9.6 percent to $2.60 in afternoon trading Monday.

  • Another Lenovo security flaw

In the latest of a series of security flaws, Lenovo has updated its SHAREif file sharing app after research firm Core Security discovered several vulernabilities.

the app enables users to share data across devices.

“While the SHAREit’s description gives you the impression of a well put-together app, Core Security’s researchers were surprised to find a series of pretty basic security bugs that would have allowed easy access to someone’s files and devices,” Softpedia reports.

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  • Investor pressure mounts at GSK

A second major investor in GlaxoSmithKline (NYSE: GSK) is calling for changes within GSK management, according to The Sunday Times in London.

Och-Ziff Capital Management , a U.S.-based hedge fund, joins U.K. investor Neil Woodford in calling for changes.

“Top U.K. investor Neil Woodford has already made headlines for his campaign to split GSK into four separate companies,” FiercePharma reports. “CEO Andrew Witty ‘is not doing a very good job’ of handling GSK’s disparate units, which range from vaccines to consumer health, Woodford said last year.”

A source close to Och-Ziff told the Times: “We want a plan in place by the end of the second quarter so we can see a road map.”

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  • Arista counter-sues Cisco

Arista Networks is counter-suing Cisco in an expanding egal fight, saying the networking giant is utilizing unfair competition practices.

The suit was filed Monday.

“Cisco attempted to limit competition in the Ethernet switch market by reversing a long-standing policy of encouraging industry standard usage of CLI commands, and instead claiming copyright over those commands after competitors and customers relied upon Cisco’s industry standard treatment for over a decade,” Arista said in its filing.

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