Cybersecurity measures expected Wednesday: The Obama administration is expected to announce new cybersecurity measures Wednesday, the Associated Press reported, following a report from security firm Mandiant that links the Chinese army to cyber attacks, including those on the U.S. government and U.S. companies.

As The Washington Post reported, the Chinese government has refuted the report.

The AP report indicates that the White House measures may include fines and other trade actions against China, citing sources “familiar with the administration’s plans” who were not authorized to speak about the measure publicly.

Google warns against account hijacking: Google issued a warning to its Gmail users about account hijacking, a practice in which spammers break into someone’s account and use its contacts list to send malicious files to a wide swath of people.

Google said that it saw a “large increase” in fraudulent mail in 2010, and also outlined its measures to combat the problem. The company recommended that users make strong passwords, do not reuse the same password for several sites and use options such as two-factor authentication for their accounts.

Apple releases code for Java malware: Apple released a patch to deal with malware stemming from a Web browser plug-in for Oracle’s Java program Tuesday, following a rare disclosure from the company that some of its computers had been compromised.

The company said earlier Tuesday that a small number of its computers at Apple and other companies had been compromised, and that the attacks were similar to those carried out against Facebook last month.

Apple, Motorola: Apple’s ongoing patent battles with makers of Android phones continues: the International Trade Commission said Tuesday that it will review ITC judge Thomas Pender’s ruling that a Motorola Mobility patent is invalid, and will make a decision on April 22, Bloomberg reported. The patent deals with technology for a smartphone sensor that prevents callers from accidentally hanging up when holding a phone to their faces.

The ITC has the power to block imports of phones if they find evidence of infringement.

Meanwhile, Apple’s market share battle continues with some good news for the company. According to new data from Strategy Analytics, iPhone 4S and iPhone 5 models outsold the Samsung Galaxy S III in the fourth quarter of 2012.