An exploit in on-premises Microsoft Exchange servers has already been used in active attacks. (Graphic: Nicola Mawson | Pixabay) A vulnerability in Microsoft Exchange, allowing hackers to execute malicious code through specially crafted e-mails opened in Outlook Web Access, is a serious and urgent threat as it is already being actively exploited while no permanent…
Dr Stanley Mpofu, CIO of Wits University. The University of the Witwatersrand has confirmed its Oracle E-Business system has been hit by a cyber attack that has compromised its system in multiple countries. “This is a ‘zero-day’ event − a cyber attack which exploits a software vulnerability that is unknown to the software vendor and…
A cyber-espionage campaign centred on vulnerable versions of Microsoft’s server software now involves the deployment of ransomware, Microsoft said in a late Wednesday blog post. In the post, citing “expanded analysis and threat intelligence”, Microsoft said a group it dubs “Storm-2603” is using the vulnerability to seed the ransomware, which typically works by paralysing victims’…
Microsoft has issued an alert about “active attacks” on server software used by government agencies and businesses to share documents within organisations, and recommended security updates that customers should apply immediately. The FBI in the US said on Sunday it is aware of the attacks and is working closely with its federal and private-sector partners,…
