Automating threat actor tracking: Understanding attacker behavior for intelligence and contextual alerting

As seen in recent sophisticated cyberattacks, especially human-operated campaigns, it’s critical to not only detect an attack as early as possible but also to rapidly determine the scope of the compromise and predict how it will progress. How an attack proceeds depends on the attacker’s goals and...

COVID-19 and HIPAA Enforcement Discretion Leaves Healthcare Organizations Vulnerable to Ransomware Attacks

Patient engagement is a term that has been discussed in healthcare for years. But now, its an urgent priority as providers work to vaccinate millions of Americans. The COVID-19 pandemic has put increased pressure on healthcare providers to ramp up digital communications with patients regarding...

Hackers Using a Windows OS Feature to Evade Firewall and Gain Persistence

A novel technique adopted by attackers finds ways to use Microsoft's Background Intelligent Transfer Service BITS so as to deploy malicious payloads on Windows machines stealthily. In 2020, hospitals, retirement communities, and medical centers bore the brunt of an ever-shifting phishing campaign...

Hackers Using a Windows OS Feature to Evade Firewall and Gain Persistence

A novel technique adopted by attackers finds ways to use Microsoft's Background Intelligent Transfer Service BITS so as to deploy malicious payloads on Windows machines stealthily. In 2020, hospitals, retirement communities, and medical centers bore the brunt of an ever-shifting phishing campaign...

Cl0p ransomware gang leaks sensitive data from 6 US universites

By Habiba Rashid For now, there has been no confirmation from any of the universities if they were targeted and breached by the Cl0p ransomware gang. This is a post from HackRead.com Read the original post: Cl0p ransomware gang leaks sensitive data from 6 US universites...

Ziggy Ransomware Gang Offers Refunds to Victims

The Ziggy ransomware gang announced in early February they were getting out of the cybercrime business. Now they say they’re ready to refund their victims’ money. Anyone who paid a ransom to Ziggy just needs to shoot them an email with proof of payment calculated in Bitcoin and the computer ID...

PYSA, the ransomware attacking schools

The education sector’s cybersecurity problem has compounded in the last few months. A recent warning from the FBI, in mid-March, put schools in the US and UK on notice of increased attacks from the threat actors behind the PYSA ransomware. If this is the first time you’ve heard of this family, re...

Hades Ransomware Gang Exhibits Connection to Hafnium

The Hades ransomware gang has several unique characteristics that set it apart from the rest of the pack, according to researchers – including potentially having more than extortion on the to-do list. The group appears to use multiple nation-state tools and techniques. The researchers said that i...

How to Effectively Prevent Email Spoofing Attacks in 2021?

Email spoofing is a growing problem for an organization's security. Spoofing occurs when a hacker sends an email that appears to have been sent from a trusted source/domain. Email spoofing is not a new concept. Defined as "the forgery of an email address header to make the message appear as if it...

Why you need to trust your VPN: Lock and Code S02E05

This week on Lock and Code, we discuss the top security headlines generated right here on Labs. In addition, we speak to Malwarebytes senior security researcher JP Taggart about the importance of trusting your VPN. Youve likely heard the benefits of using a VPN: You can watch TV shows restricted ...

Hackers Hosed by Google Were a Counterterrorism Operation

Plus: Fox News gets sued for its election coverage again, a record ransomware attack, and more of the week’s top security news...

Insurance Giant CNA Hit with Novel Ransomware Attack

A novel ransomware attack forced insurance giant CNA to take systems offline and temporarily shutter its website. The attack occurred earlier this week and leveraged a new variant of the Phoenix CryptoLocker malware. The Chicago-based company—the seventh largest commercial insurance provider in t...

Weak password vulnerability in NR208 of Shenzhen Leike Industry Co.

NR218 is a router from Shenzhen Leike Industrial Co. Shenzhen Leike Industrial Co., Ltd NR208 suffers from a weak password vulnerability that can be exploited by attackers to obtain sensitive information...

This Week in Security News - March 26, 2021

Tracking Conti Ransomware and Swiss Firm Accessed SolarWinds Hacker’s Servers...

Analyzing attacks taking advantage of the Exchange Server vulnerabilities

Microsoft continues to monitor and investigate attacks exploiting the recent on-premises Exchange Server vulnerabilities. These attacks are now performed by multiple threat actors ranging from financially motivated cybercriminals to state-sponsored groups. To help customers who are not able to...

Analyzing attacks taking advantage of the Exchange Server vulnerabilities

Microsoft continues to monitor and investigate attacks exploiting the recent on-premises Exchange Server vulnerabilities. These attacks are now performed by multiple threat actors ranging from financially motivated cybercriminals to state-sponsored groups. To help customers who are not able to...

Black Kingdom Ransomware Hunting Unpatched Microsoft Exchange Servers

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%...

Black Kingdom Ransomware Hunting Unpatched Microsoft Exchange Servers

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%...

Ransomware Attack Foils IoT Giant Sierra Wireless

A ransomware attack on leading internet-of-things IoT manufacturer Sierra Wireless this week ground its production activity to a halt and froze various other internal operations. The Canadian multinational manufacturer creates a broad array of communications equipment – from gateways to routers,...

Microsoft Exchange Servers See ProxyLogon Patching Frenzy

The patching level for Microsoft Exchange Servers that are vulnerable to the ProxyLogon group of security bugs has reached 92 percent, according to Microsoft. The computing giant tweeted out the stat earlier this week – though of course patching won’t fix already-compromised machines. Still, that...