Optimization on vulnerability analysis and redundancy protection in interdependent networks

Study on attack paths of cyber attack in cyber‐physical power systems

“…In Table 3, BA network has a shorter average geodesic distance, which can efficiently transmit control commands. The NW network has a bigger clustering coefficient, which is robust to targeted attack [21]. We employ the IEEE 14 bus test system to represent physical power grid, wherein the type of coupling connection is that critical nodes in the physical power grid are connected to multiple router nodes in a communication network for redundancy protection, while other nodes stay ‘one‐to‐one correspondence’ connection.…”

“…The authors of [35, 36] figured out the critical nodes whose removal maximally destroys the systems to provide redundancy protection. The authors of [21, 37, 38], through adding or reallocating intra‐links in physical power grid or communication network, enhanced the similarity of coupled networks to improve systems robustness. Liu et al .…”

Evaluation of cyber‐physical power systems in cascading failure: node vulnerability and systems connectivity

“…To test the vulnerability of systems in a cascading failure, we propose three typical attack types to study [48]. Owing to the uncertainty of the attack from the cyber layer, we assume that the attacker is capable of corresponding knowledge on the structure of systems and can attack certain significant nodes of systems to result in catastrophic blackouts.…”

Robustness assessment of the cyber‐physical system against cascading failure in a virtual power plant based on complex network theory

“…Guo H et al 12 used betweenness, degree, and loads (in physical network) as parameters for nodes evaluation. Chen L et al 16 proposed inter high degree attack, inter high betweenness attack, inter high degree‐betweenness attack, and inter high betweenness‐degree attack to attack different interdependent networks. However, Previous studies only analyzed the different coupling relationships of one network relationship, and the analysis process was relatively redundant and complex.…”