The average amount of time that online attackers camp out in a victim's network - or "dwell time" - has been declining, FireEye's Mandiant incident response group reports. But the surge in ransomware accounts for some attacks coming to light more quickly because those attackers announce their presence.
Cyber-criminals have become thoughtful about ransomware attacks; taking time to maximize your organization’s potential damage and their payoff. Protecting your network from this growing threat is more important than ever. And nobody knows this more than Roger Grimes, Data-Driven Defense Evangelist at KnowBe4.
A hacker breached a Florida city's water treatment network, increasing the amount of lye that would be added to the water to a dangerous level. Officials say they caught the change immediately and reversed it. Reuters reports that the system was accessed via the city's TeamViewer remote access software.
Hackers who infiltrated government and business networks via a stealthy backdoor added to SolarWinds' Orion software appear to have focused on only the most high-value targets, leading to about 50 organizations being "genuinely impacted," says FireEye CEO Kevin Mandia.
As Universal Health Services continues to recover from an apparent ransomware incident last weekend that affected system access for hundreds of its facilities, security experts say others can learn important lessons from the company's experience.
When implementing a cybersecurity risk framework, enterprises should use a structured approach to identity and evaluate and manage the risks posed by increased digital transactions during the pandemic, says Dmitry Chernetsky, global presales expert, Kaspersky-APAC.
Implementing an adaptive, risk-based authentication process for remote system access is proving effective as more staff members work from home during the COVID-19 pandemic, says Ant Allan, a vice president and analyst at Gartner.
The emerging cloud-delivered service model known as security access service edge, or SASE, is designed to help simplify security for remote access, says Sean Duca of Palo Alto Networks, who explains how the model works.
Security experts say that ransomware victims too often treat the malware infection as an isolated event, when they should instead assume that attackers remain in their network until proven otherwise. Here are eight tips for dealing with ransomware and other intrusions and making a full recovery.
A long-running marketplace for selling stolen payment card data claims it has 30 million stolen payment cards that experts believe are linked to the breach at Wawa convenience stores late last year. The breach is one of the largest ever involving card-related data.
Bad news on the ransomware front: Victims that choose to pay attackers' ransom demands - in return for the promise of a decryption tool - last quarter paid an average of $84,116, according to Coveware. But gangs wielding Ryuk and Sodinokibi - aka REvil - often demanded much more.
A spear-phishing campaign targeted a U.S. government agency for several months last year using emails with content about North Korea geopolitics as a lure, according to an analysis from Palo Alto Networks' Unit 42.
British regulators have fined Dixons Carphone $653,000 for a breach that exposed millions of payment card details and personal data due to point-of-sale malware. The retailer's lack of security contributed to a "careless loss of data," the Information Commissioner's Office says.
Landry's Inc., a Houston-based company that owns and operates over 600 restaurants, hotels, casinos and other entertainment establishments in the U.S. and around the world, is investigating an apparent data breach after its security team found malware within a system.