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Critical Crypto Bug Fixed in PuTTY
Many versions of the PuTTY client have a weakness that can generate biased ECDSA nonces and enable an attacker to eventually recover private encryption keys.
CISA Warns of Sisense Breach
CISA is warning of a customer data breach at Sisense, a provider of business data analytics platforms, but the details of the incident are scarce still.
Palo Alto Networks Discloses Critical PAN-OS Zero Day
The flaw is being exploited in the wild, and no patches will be available until Sunday.
CISA Emergency Directive Orders Mitigations After Microsoft Breach
The U.S. government has made public an emergency directive that it issued last week for federal agencies, ordering them to take various mitigation measures after Microsoft's compromise last year.
Microsoft Patch Tuesday Update Fixes Actively Exploited Flaws
Microsoft has issued over 147 patches in its largest patch Tuesday release since 2017, including fixes for two actively exploited vulnerabilities.
Memory Safe: Sherrod DeGrippo
In this week’s Memory Safe episode, Sherrod DeGrippo of Microsoft talks about her first experiences with hacker culture, why a Stanley Kubrik movie shows a glimpse of what AI is, and how she makes sure that “threat intelligence hits the right note.”
SAP Fixes Three High-Severity Flaws
The most severe flaw stems from password requirements not being checked in some features of SAP’s NetWeaver Java User Management Engine.
Hospital IT Help Desks Hit With Social Engineering Attacks
The U.S. Department of Health and Human Services is warning of "sophisticated" social engineering attacks on hospital IT help desks that aim to gain access to employees' email accounts.
New Starry Addax Threat Actor Targets Victims With Android Malware
A newly identified threat group known as Starry Addax is targeting human rights activists and others in western Africa with novel Android malware called FlexStarling.
3 Things We Still Don’t Know About the XZ Backdoor
The XZ Utils backdoor was a very subtle operation that took several years to pull off, and while some of the technical details are known, there is plenty we still don't know. Dennis Fisher and Lindsey O'Donnell-Welch talk about the unknowns and what if anything could have been done to prevent this from happening.
Ivanti Patches New Flaws as Exploits Continue Against Older Ones
Ivanti has released patches for four new vulnerabilities in its Connect Secure and Policy Secure appliances, as Mandiant said it has seen eight separate groups exploiting some older flaws in those devices.
New Malware Emerges With IcedID Links
Researchers believe that the new malware, likely created by IcedID developers, will become increasingly used by threat actors across the landscape.
Post-Disruption, LockBit’s Reputational Damage Key
Law enforcement efforts to sow distrust and hit LockBit’s brand have had arguably the biggest impact on undermining the ransomware-as-a-service model behind the group.
Carefully Crafted Campaign Led to XZ Utils Backdoor
The person or people that implanted malicious code into XZ Utils put time and effort into building trust in the open source software ecosystem.
CSRB: Microsoft Should Refocus on Security After Cloud Intrusion
The Cyber Safety Review Board cited a string of internal failures in Microsoft's security culture as contributing factors for the 2023 compromise of more than 20 customers' cloud email inboxes by a Chinese threat group.