What is logical equivalence? Logical equivalence is the condition of equality that exists between two statements or sentences in propositional logic or Boolean algebra. The relationship between the two statements translates verbally into “if and only if.” In mathematics, logical equivalence is typically symbolized by a double arrow (⟺ or ⟷) or triple lines (≡). […]

What is a backdoor? A backdoor attack is a way to access a computer system or encrypted data that bypasses the system’s customary security mechanisms. A developer may create a backdoor so that an application, operating system (OS) or data can be accessed for troubleshooting or other purposes. Attackers make use of backdoors that software […]

Security teams are warned to be on the lookout for a growing wave of opportunistic and largely untargeted cyber attacks exploiting two related exploit chains to target Microsoft Exchange servers. This is according to Bitdefender Labs, which noted an uptick in attack volumes beginning at the end of November 2022. The attacks are technically […]

Veteran web company Yahoo! has emerged as the most imitated brand in phishing attacks over the last three months of 2022, according to Check Point’s quarterly Brand phishing report, which highlights the organisations most frequently exploited by cyber criminals when trying to steal personal or credit card data. Check Point’s research unit says it […]

More small and medium-sized enterprises (SMEs) would use financial products embedded in the platforms of non-financial services companies if they offered more choice. Non-banking businesses, such as providers of accounting software or invoicing services, are increasingly looking to offer financial products to their SME customers. They are embedding financial products such as business loans […]

Improving how the UK government works with technology startups is key to transforming public services, but requires both government and large corporate IT suppliers to find more agile ways of working, says Plexal CEO Andrew Roughan. Operating from east London’s Olympic Park, technology innovation hub Plexal provides physical working space for startups, using its […]

Thank you for joining! Access your Pro+ Content below. 24 January 2023 BBC under scrutiny over its digital strategy Share this item with your network: In this week’s Computer Weekly, the BBC faces in-depth scrutiny over its digital plans – we take a look at progress. Do you need to keep data forever? We examine […]

Ed Higgs, group director of IT shared services at Rentokil Initial, has been with the pest control and hygiene services giant for more than a decade. Even after helping the organisation reduce its datacentre facilities and move to new technology platforms, Higgs still has big ambitions for further change. “My job isn’t done,” he […]

Trellix and GitHub have collectively fixed a total of 61,895 open source projects that were found to be susceptible to a 15 year-old path traversal vulnerability in Python’s tarfile module. The firm’s Advanced Research Center team highlighted the prevalence of CVE-2007-4559 in September 2022, after they identified that 15 years after it was first […]

Turkish array maker NGX, which provide file and block access in its hardware, with cloud, software-defined storage and NVMe-over-fabrics is planning “an alternative to NetApp, Vast Data, Infinidat and other US vendors”.  NGX offers storage array products for a variety of performance levels and workloads. Bulk storage is on spinning disk after passing through a […]