Opsec Cyber Security Archives - Page 903 of 1789

Category Archives: Security

Make Sure That Stimulus Check Lands in the Right Bank Account

March 5 2021 By Syndicator in Security

If you haven't already, it's time to build trust relationships with your financial institutions, using strong security, privacy protections and secure, unique user credentials.

Threat Model Humor

March 5 2021 By Bruce Schneier in medicine, Security

At a hospital.

Business Apps Spoofed in 45% of Impersonation Attacks

March 4 2021 By Syndicator in Security

Business-related applications like those from Microsoft, Zoom, and DocuSign are most often impersonated in brand phishing attacks.

Healthcare Still Seeing High Level of Attacker Activity

March 4 2021 By Syndicator in Security

Interest in vaccines is driving all sorts of activity, reports say, from vaccine-specific phishing to growing bot traffic on healthcare sites.

Detection and Response to Exploitation of Microsoft Exchange Zero-Day Vulnerabilities

March 4 2021 By Daniel Pany in Andrew Thompson, Homepage Carousel, Latest Blog Posts, Managed Defense, Matt Bromiley, Microsoft, Security, Threat Research, vulnerabilities, Zero-day

Beginning in January 2021, Mandiant Managed Defense observed multiple instances of abuse of Microsoft Exchange Server within at least one client environment. The observed activity included creation...

Detection and Response to Exploitation of Microsoft Exchange Zero-Day Vulnerabilities

March 4 2021 By Daniel Pany in Andrew Thompson, Homepage Carousel, Latest Blog Posts, Managed Defense, Matt Bromiley, Microsoft, Security, Threat Research, vulnerabilities, Zero-day

Microsoft, FireEye Uncover More Malware Used in the SolarWinds Campaign

March 4 2021 By Syndicator in Security

Newly discovered tools were designed for late-stage use after the attackers had already established a relatively firm presence on a breached network, vendors say.

John McAfee Charged in ‘Pump & Dump’ Cryptocurrency Scheme

March 4 2021 By Syndicator in Security

Justice officials claim antivirus founder and associate fraudulently promoted altcoins via Twitter.

Four Microsoft Exchange Zero-Days Exploited by China

March 4 2021 By Bruce Schneier in China, Microsoft, Security, vulnerabilities, Zero-day

Microsoft has issued an emergency Microsoft Exchange patch to fix four zero-day vulnerabilities currently being exploited by China. EDITED TO ADD (3/12): Exchange Online is not affected.