/ Security News /

The 2021 spring edition of Pwn2Own hacking contest concluded last week on April 8 with a three-way tie between Team Devcore, OV, and Computest researchers Daan Keuper and Thijs Alkemade. A total of $1.2 million was awarded for 16 high-profile exploits over the course of the three-day virtual event organized by the Zero Day Initiative …

/ Security News /

More than a week after Microsoft released a one-click mitigation tool to mitigate cyberattacks targeting on-premises Exchange servers, the company disclosed that patches have been applied to 92% of all internet-facing servers affected by the ProxyLogon vulnerabilities. The development, a 43% improvement from the previous week, caps off a whirlwind of espionage and malware campaigns …

/ Security News /

Microsoft on Monday released a one-click mitigation software that applies all the necessary countermeasures to secure vulnerable environments against the ongoing widespread ProxyLogon Exchange Server cyberattacks. Called Exchange On-premises Mitigation Tool (EOMT), the PowerShell-based script serves to mitigate against current known attacks using CVE-2021-26855, scan the Exchange Server using the Microsoft Safety Scanner for any deployed …

/ Security News /

It didn’t take long. Intelligence agencies and cybersecurity researchers had been warning that unpatched Exchange Servers could open the pathway for ransomware infections in the wake of swift escalation of the attacks since last week. Now it appears that threat actors have caught up. According to the latest reports, cybercriminals are leveraging the heavily exploited …

/ Security News /

The European Banking Authority (EBA) on Sunday said it had been a victim of a cyberattack targeting its Microsoft Exchange Servers, forcing it to temporarily take its email systems offline as a precautionary measure. “As the vulnerability is related to the EBA’s email servers, access to personal data through emails held on that servers may …

/ Security News /

Microsoft on Friday warned of active attacks exploiting unpatched Exchange Servers carried out by multiple threat actors, as the hacking campaign is believed to have infected tens of thousands of businesses, government entities in the U.S., Asia, and Europe. The company said “it continues to see increased use of these vulnerabilities in attacks targeting unpatched …

/ Security News /

Following Microsoft’s release of out-of-band patches to address multiple zero-day flaws in on-premises versions of Microsoft Exchange Server, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued an emergency directive warning of “active exploitation” of the vulnerabilities. The alert comes on the heels of Microsoft’s disclosure that China-based hackers were exploiting unknown software bugs …

Microsoft has released out-of-band security updates to address four vulnerabilities in Exchange Server: It is possible for an attacker, once authenticated to the Exchange server, to gain access to the Active Directory environment and download the Active Directory Database. Tactics, Techniques and Procedures The majority of the TTPs in this section are sourced from a …

/ Security News /

Microsoft has released emergency patches to address four previously undisclosed security flaws in Exchange Server that it says are being actively exploited by a new Chinese state-sponsored threat actor with the goal of perpetrating data theft. Describing the attacks as “limited and targeted,” Microsoft Threat Intelligence Center (MSTIC) said the adversary used these vulnerabilities to …

/ Security News /

Microsoft on Thursday said it concluded its probe into the SolarWinds hack, finding that the attackers stole some source code but confirmed there’s no evidence that they abused its internal systems to target other companies or gained access to production services or customer data. The disclosure builds upon an earlier update on December 31, 2020, …