Ransomware-wielding attackers are typically breaking into victims' networks using remote desktop protocol access, phishing emails or malware that's sometimes used in drive-by attacks against browsers, experts warn, advising organizations to make sure they have the right defenses in place.
A Russian government-backed hacking group that's been tied to a series of cyberespionage campaigns has been quietly exploiting a critical remote code execution vulnerability in Exim email servers since 2019, the U.S. National Security Agency warns in an alert.
A recently revamped version of the Valak strain of malware is targeting Microsoft Exchange servers in the U.S. and Germany, according to recent research from Cybereason. The malware has been redesigned to act as an information stealer that can extract corporate data.
"Hack for hire" groups operating in India are spoofing World Health Organization emails to steal credentials from financial services and healthcare firms around the world, according to Google's Threat Analysis Group.
Microsoft is warning Windows users about an ongoing "massive" COVID-19-themed phishing campaign that is attempting to install the NetSupport Manager on devices. Attackers can turn NetSupport into a remote access Trojan, or RAT.
Hackers tried two methods of exploiting a zero-day vulnerability in Sophos' XG firewall, but Sophos says it made a temporary fix that mitigated the risks. Attackers originally attempted to plant a Trojan, but then switched to ransomware.
A recent phishing campaign bypassed multifactor authentication protections within Microsoft Office 365 to steal users' credentials stored in the cloud or launch other attacks, according to the security firm Cofense.
Attacks targeting cloud-based data nearly doubled in 2019 as companies shifted more of their valuable information off-premises and misconfigurations and other issues made it more vulnerable, according to the 2020 Verizon Data Breach Investigations Report. Observers expect the trend to continue this year.
The U.S. Treasury's Financial Crimes Enforcement Network is alerting financial institutions about surging COVID-19 themed scams and other "illicit activities," ranging from fraud involving the sale of fake cures, tests and vaccines to price gouging for supplies.
Cryptocurrency-mining hackers appear to be behind a recent spate of supercomputer and high-performance computing system intrusions. But it's unclear if attackers might also have had data-stealing or espionage intentions.
Besides hospitals and academic institutions, dozens of nonprofits, including nongovernmental organizations - or NGOs - around the world must protect their COVID-19 research and related activities from those seeking to steal data or disrupt their operations, says cyber risk management expert Stanley Mierzwa.
In this exclusive webinar, Amin Hasbini and Maher Yamout, security researchers at Kaspersky's Global Research & Analysis Team (GReAT), will share their insights on the latest cyber-attacks and how the COVID-19 epidemic has affected cybersecurity.
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The cyber security...
With the outbreak of COVID-19, the demand for remote work has increased exponentially. Working from home presents a different set of cybersecurity challenges with most home offices having off-the-shelf routers with minimal security countermeasures.
The new remote work and remote learner environments provide...
More ransomware-wielding gangs are not just crypto-locking victims' systems, but also stealing and threatening to leak data unless they get their demanded bitcoin ransom payoff. A growing number of security experts believe the strategy is leading more victims to pay.