Microsoft says intruders targeting its email services had access to email content for a single-digit percentage of the overall affected accounts, a more serious conclusion than first thought. But the company hasn't released many details, including the total number of accounts affected.
Email remains the top threat vector for organizations. And while the move to cloud-based solutions has significantly improved email security, environments such as Office365 have their own complexities that need to be addressed, says David Wagner, CEO of Zix Corp.
Hackers have breached the Australian Parliament's network, although investigators say they have found no evidence that attackers stole any data. But Parliament's presiding officers said all users have been ordered to reset their passwords as a precaution.
For the past three years, hackers have been intercepting sensitive diplomatic cables sent between EU member states after stealing passwords for accessing the EU network via a phishing attack against diplomats in Cyprus, The New York Times reports.
Email fraud threats have evolved from attackers targeting networks to them focusing on specific individuals within an organization. What can enterprises do to halt these attacks before they reach the inbox? Denis Ryan of Proofpoint shares defensive tactics.
It's déjà vu "FBI vs. Apple" all over again, as Reuters reports that the Justice Department is seeking to compel Facebook to build a backdoor into its Messenger app to help the FBI monitor an MS-13 suspect's voice communications.
The FIN7 cybercrime gang regularly phoned victims, posing as buyers, to trick victims into opening phishing emails and attachments with malware, federal prosecutors allege. The group's success - 15 million stolen payment cards and counting - is one measure of how difficult these types of attacks are to block.
Data science is playing a fundamental role in a more dynamic approach to cybersecurity, says Jim Routh, CISO of Aetna, who stresses the importance of applying machine learning to front-line data security controls. Routh will be a featured speaker at the ISMG Security Summit in New York Aug. 14-15.
To better counter threats carried by content - email, attachments, files - Deep Secure's Simon Wiseman says organizations should investigate content threat removal, which involves extracting required data from content and discarding the rest.
European computer security researchers say they have discovered vulnerabilities that relate to two techniques used to encrypt emails: PGP and S/MIME. Security experts recommend all PGP users immediately delete or disable their PGP tools, pending a full fix.
The White House, fearing China is spying on phone calls, has suggested that the U.S. government take a primary role in marshaling the development of secure 5G networks. But would nationalizing 5G networks make them more secure?
An assessment on whether North Korea is behind the WannaCry ransomware attacks leads the latest edition of the ISMG Security Report. Also, the co-author of NIST's revised Trustworthy Email special publication discusses changes in the guidance.
Email, which is too easily spoofed, phished or taken over, remains a leading cybersecurity risk. But finally, after years of pushing, the Domain-based Message Authentication, Reporting and Conformance standard, or DMARC is helping to bolster email security, says Phil Reitinger, CEO of the Global Cyber Alliance.
Former Trump campaign aide George Papadopoulos learned that Russia had thousands of pilfered emails containing "dirt" on Hillary Clinton three months before they appeared online, according to court documents.