The economics of vulnerability discoveries and exploits is always evolving, and knowing those dynamics can provide insights into what attackers are doing, says Casey Ellis of Bugcrowd.
SonicWall has patched three zero-day vulnerabilities in the hosted and on-premises versions of its Email Security product after attackers began exploiting them last month. Attackers can exploit the flaws to access email and pivot deeper into organizations' systems, FireEye Mandiant reports.
The U.S. Cybersecurity and Infrastructure Security Agency, Ivanti and FireEye report that federal agencies and other entities have been compromised by two attack groups, with one possibly acting on behalf of the Chinese government. The groups are exploiting vulnerabilities in Ivanti's Pulse Connect Secure.
A proposed privacy framework from the eHealth Initiative & Foundation and the Center for Democracy and Technology aims to set standards for the collection, disclosure and use of health data that falls outside the protection of HIPAA, says attorney Andrew Crawford of CDT.
In an unprecedented action, the FBI is removing web shells from on-premises Microsoft Exchange servers at organizations in at least eight states that were infected in a wave of attacks earlier this year. Security experts offer an analysis of the bold move that the FBI took without notifying the organizations.
Microsoft issued patches for its on-premises Exchange Server software, addressing four new critical vulnerabilities discovered by the National Security Agency. A zero-day vulnerability in Desktop Window Manager was also disclosed and patched.
Forescout Research Labs and the Israeli security firm JSOF have found nine Domain Name System vulnerabilities affecting four TCP/IP stacks that, if exploited, could lead to remote code execution or denial-of-service attacks - potentially on millions of devices.
Adopting the "zero trust" model is essential to ensuring security as organizations use more IoT devices, says Fred Streefland of Hikvision, a Chinese company that manufactures video surveillance equipment. He addresses misconceptions about the model.
The gang behind ransomware dubbed "Cring," which has waged a series of attacks this year, is exploiting a Fortinet VPN server vulnerability that the company patched in 2019, according to a report from the security firm Kaspersky that analyzes one attack in Europe.
Crisis communications: If your organization suffers a ransomware outbreak - despite its best cybersecurity efforts - is it ready to respond quickly and transparently? Experts have lauded the Scottish Environment Protection Agency for its response, saying it's a model for other victims to emulate.
As healthcare sector organizations continue to fall victim to phishing incidents, the number of individuals affected by health data breaches involving compromised email accounts continues to rise.
IoT device manufacturer Ubiquiti revealed in a security notice that an attacker had attempted to extort money from the company following a December 2020 cyber incident - a fact not mentioned in the company's earlier notice about the attack.
CISA is ordering federal executive branch agencies to rescan and recheck their networks by Monday for any signs of compromise related to the unpatched vulnerabilities in on-premises Microsoft Exchange email servers.
Microsoft says ransomware activity against compromised on-premises Exchange servers remains limited, but it warns that organizations are far from out of the woods.
The latest edition of the ISMG Security Report features an analysis of recent “tell-all” interviews with members of ransomware gangs. Also featured: insights on securing IoT devices and mitigating insider threat risks.
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